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2021 Waec Physics : What are the areas Waec will set Physics Questions from and how do I get Waec Physics 2021 OBJ And Essay Questions ? Waec 2021 Physics Questions is what we shall discuss here.

PAGE CONTENTS

WAEC Physics Syllabus (Explained)

WAEC Physics Past Questions & Answers For 2023 (Pt. 1)

Waec Physics is important to every Waec 2021 Science Candidate . Read on for Sample Questions Waec would set in 2021 Physics Objective and Theory or click here for Waec 2021 Physics Syllabus .

Waec 2021 Physics 1 & 2 Questions

You have asked the questions, what are the areas Waec sets questions in Physics ? I am here to give you bold answers to your question.

To make this topic easy for you to understand, I will divide it into three sections. The three sections are:

Waec 2021 Physics Objective Questions

2021 Waec Physics Essay Questions And Answers.
Instructions To Pass Waec 2021 Examination.

As usual, you will be given questions and options A to E to choose from. Normally, the number of objective questions (OBJ) you are to answer in Waec 2021 Physics Science is 50.

The Following Are Sample Waec Objective Questions. They are likely Physics questions for Waec 2021.

1. The instrument to measure the relative density of light is A. thermometer B. hydrometer C. spring balance D. beaker

2. What is the speed of a body vibrating at 50 cyclic per second A. 100 Ï€rads B. 200 Ï€rads C. 50 Ï€rads D. 400 Ï€rads

3. The action of blotting paper on ink is due to A. diffusion B. osmosis C. capillarity D. surface tension

4. When two mirrors are placed at an angle of 900 to each other, how many images will be formed when an object is placed in front of the mirrors A. 5 B. 4 C. 3 D. 2

5. If silicon is doped with phosphorus, what type of semiconductor material will be formed? A. Zener material B. P-n junction C. n-type D. p-type

6. A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the engine is A. 1 . 25 x 104 W B. 2 . 50 x 104 W C. 1 . 25 x 106W D. 2 . 50 x 106 W

7. When the brakes in a car are applied, the frictional force force on the tyres is A. is a disadvantage because it is in the direction of the motion of the car B. is a disadvantage because it is in the opposite direction of the motion of the car C. is an advantage because it is in the direction of the motion of the car D. is an advantage because it is in the opposite direction of the motion of the car

8. If the stress on a wire is 107NM-2 and the wire is stretched from its original length of 10.00 cm to 10.05 cm. The young’s modulus of the wire is A. 5 . 0 x 104 Nm-2 B. 5 . 0 x 105 Nm-2 C. 2 . 0 x 108 Nm-2 D. 2 . 0 x 109 Nm-2

9. A solid weigh 10 .00 N in air, 6 N when fully immersed in water and 7 . 0 N when fully immersed in a liquid X. Calculate the relative density of the liquid, X. A. 5/3 B. 4/3 C. 3/4 D. 7/10

10. When the temperature of liquid increases, its surface tension A. Decreases B. Increases C. Remain Constant D. Increases then decrease

Recommended: Hot likely questions in physics

11. A gas at a volume of V0 in a container at pressure P0 is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant? A. P0/5 B. 4P0/5 C. P0 D. 5P0

12. A piece of substance of specific head capacity 450JKg-1K-1 falls through a vertical distance of 20m from rest. Calculate the rise in temperature of the substance on hitting the ground when all its energies are converted into heat. [g = 10ms-2] A. 2/9°C B. 4/9°C C. 9/4°C D. 9/2°C

13. I. A liquid boils when its saturated vapour pressure is equal to the external pressure II. Dissolved substances in pure water lead to an increase in the boiling point. III. When the external pressure is increased, the boiling point increases. IV. Dissolved substances in pure water decrease the boiling point.

14. Which combination of the above are peculiarities of the boiling point of a liquid? A. I, II and III B. I, II, III and IV C. I, II and IV D. II, III and IV

15. The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20°C and 80°C respectively is A. 3.0 x 102Km-1 B. 3.0 x 103Km-1 C. 5.0 x 103Km-1 D. 3.0 x 104Km-1

16. Calculate the mass of ice that would melt when 2kg of copper is quickly transferred from boiling water to a block of ice without heat loss; Specific heat capacity of copper = 400JKg-1K-1 Latent heat of fusion of ice = 3.3 x 105JKg-1 A. 8/33kg B. 33/80kg C. 80/33kg D. 33/8kg

17. A semiconductor diode is used in rectifying alternating current into direct current mainly because it A. allows current to flow in either direction B. is non-linear C. offers a high input resistance D. allows current to flow only in one direction

18. if ˆ†x is the uncertainty in the measurement of the position of a particle along the x-axis and ˆ†Px is the uncertainty in the measurement of the linear momentum along the x-axis, then the uncertainty principle relation is given as

19. When a ship sails from salt water into fresh water, the fraction of its volume above the water surface will A. increase B. decrease C. remain the same D. increase then decrease

20. I. Its velocity is constant II. No work is done on the body III. It has constant acceleration directed away from the centre IV. The centripetal force is directed towards the centre

21. Which combination of the above is true of a body moving with constant speed in a circular track? A. II and IV B. I and IV C. II and III D. I and III

22. The velocity ratio of a machine is 5 and its efficiency is 75%. What effort would be needed to lift a load of 150N with the machine? A. 20N B. 30N C. 40N D. 50N

23. The instrument used to measure the pressure of a gas is A. barometer B. thermometer C. hygrometer D. manometer

24. A man of mass 50kg ascends a flight of stains 5m high in 5 seconds. If acceleration due to gravity is 10ms the power expended is A. 100w B. 200w C. 400w D. 500w

25. A radio station broadcast at a frequency of 600KHZ. If the speed of light in air is 3 Ã- 108ms. Calculate the wavelength of the radio wave A. 2.20 Ã- 1033m B. 5.0 Ã- 1022m C. 5.0 Ã- 1055m D. 11.8 Ã- 101111m

26. Which of the following is a scalar quantity? A. Tension B. Weight C. Impulse D. Mass

27. Determine the focal length of a thin converging lens if the power is 5.0 dioptres A. 0.1 m B. 0.2 m C. 2.0 m D. 2.5 m

Read Also: How to answer Waec questions very fast

Note : Waec Timetable , the Examination date for Objective and Essay paper is on Wednesday 8th May 2021.

Physics Waec 2021 Theory Questions And Answers

The following are the kind of questions you should expect in Waec 2021 Physics Theory or Essay. They are hot cake questions:

1. Write a short note on the following quantities… A. Tension B. Weight C. Impulse D. Mass E. Force

2. List and explain the three of Newton’s laws of motion.

Waec 2021 Examination Instructions

Do not open your question paper until you are told to do so
USE HB pencil throughout in the OBJ Section
You are free to use Biro in the theory part
You are allowed to use a calculator to solve
Make sure that you fill your name, Subject, paper, paper code and other examination details where necessary.
Ensure that the texts in your question papers are boldly printed
Behave yourself.
Don’t let invigilators catch you using expo

That’s all for now… I shall update you when more real-life questions and answers come up. However, I advise that you are hardworking so as to pass your Waec once and for all.

Read Also: How to read and pass Waec in one day

Feel free to share this article with friends using the share buttons and don’t fail to comment using the comment box below.

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20 Comments

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The resources below on Physics have been provided by WAEC to assist you understand the required standards expected in Physics final Examination. Students performance in examination under review was done by the Chief examiner, this you will see while exploring links like General Comment, Performance, Weaknesses, Strength and Expected Answers to Questions.

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WAEC Physics 2021 Questions and Answers

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Physics 2 (Essay) 9:30am.– 11:00am. Physics 1 (Objective) 11:00am. –12:15pm.

PHYSICS OBJ: 1-10: AAABACCDDB 11-20: ACCDCBCBAC 21-30: CCCBBDDBBB 31-40: ACBBCCCAAD 41-50: ABADCCBAAC

(1) Workdone = 1/2Fe = 1/2 × 40 × 1/100 = 1/5 = 0.2J

(2a) (i)Navigation satellites e.g global position system – GPS (ii) Communication satellites eg ANIK

(2b) V = 2πR/T For every second, Speed, V = 2πR V = 2 × 22/7 × 6300 V = 39,600km/s

(6) (i) Reflection (ii) Refraction (iii) Diffraction

(7a) The scientific principle underlying the operation of a fibre optics is the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy.

(7bi) Core: The core is the light transmission area of the fibre, either glass or plastic cladding. The function of the cladding is to provide a lower refractive index at the core interface in order to cause reflection within the core so as to enable light waves transmitted through the fibre.

(7bii) Cladding: It functions as a gadget that provides a clear refractive index at the core interface in order to cause reflection within the core so that light waves are transmitted through the fibre.

(8ai) Hooke’s law states that the extension e produced by an elastic material is directly proportional to the applied force provided the elastic unit is not exceeded.

(8aii) (i) Given extension, e = I2 – I1 = 0.75 – 0.20 = 0.55m Force applied, Fe = (1.95 – 0.30) × 10 = 1.65 × 10 = 16.5N Force constant , K = F/R = 16.5/0.55 = 30N/m

(ii) Using F = K (I1 – Io) m1g = K ( I1 – Io) = 0.30 × 10 = 30(0.20 – Io) = 0.10 = 0.20 – Io Io = 0.20 – 0.10 Io = 0.10m Length of spring when it was unloaded = 0.10m

(8bi) Diffusion is the net movement of particles from a region of higher concentration to a region of lower concentration.

(8bii) (i) Temperature (ii) Size of particles

(8biii) Rate of diffusion is inversely proportional to the square root of density under given conditions of temperature and pressure. ie R ∝ 1/√d

(8c) T = circumference of the orbit/orbit velocity T = 2πR/v But V = √GM/R T = 2π√R³/GM

(11ai) Root measurement value of an alternating current is the value of A.C current that has the same heating affect as a D.C current

(11aii) Impedance is the affective resistance of an electric circuit arising from the combined affects of ohmic resistance and reactance. (i.e resistors, indicators and capacitors)

(11b) Current in circuit , I = 60/120 = 0.5A Voltage across device , Vr = 120V Voltage across capacitor , Vc = √V² – Vr Vc = √240² – 120² Vc = 207.846V Ic = I = 0.5 Xc = Vc/Ic = 207.846/0.5 = 415.7Ω Capacitance, C = Xc/2πf = 415.7/2 3.142 50 = 1.323F

(11ci) The capacitance of a capacitor is the ratio of the amount of charge on its plates to the potential difference between them. ie C = ∑/V

(11cii) (i) Charge in both capacitors are the same ∑1 = Q2 ie C1V1 = C2V2 ………(1) Total capacitance ,C = C1C2/C1+C2 C = C2/1+C2/C1 = C2/1+V/V2 C = C2V2/V1+V2 = C2V2/2 C= 1/2C2V2

(ii)Voltage across, V1 = (C2/C1+C2) × V V1 = (C1/C1+C2) × V But C1/C2 = d2/d1 = 5/2 V1 = (1/(5/2+1)) × 2 = 2/7 ×2 = 4/7Volts Answers Loading…

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Past Questions

Waec physics theory questions and answers (pdf free download).

The West African Examinations Council (WAEC) is a regional examination body responsible for conducting national examinations for secondary school students in West Africa. One of the subjects that WAEC offers is Physics.

The WAEC Physics theory exam is a challenging exam, but it is possible to ace it with careful preparation. One of the best ways to prepare for the exam is to practice answering past questions.

In this blog article, I will provide you with a comprehensive guide to WAEC Physics theory questions and answers.

How to Find WAEC Physics Theory Past Questions

There are a few different ways to find WAEC Physics theory past questions. One way is to purchase a past questions book from a bookstore. Another way is to download the past questions from the WAEC website.

The WAEC website has a section where you can download past questions for all of the subjects that WAEC offers. The past questions are available in PDF format.

How to Use WAEC Physics Theory Past Questions to Prepare for the Exam

Once you have found the WAEC Physics theory past questions, you can start using them to prepare for the exam. Here are a few tips on how to use the past questions effectively:

Start by reading through the past questions. This will give you an idea of the type of questions that you will be asked on the exam.

Pay attention to the different question types. The WAEC Physics theory exam includes a variety of question types, such as multiple choice, fill in the blank, and essay questions.

Make sure that you understand the answers to the past questions. If you don’t understand an answer, then you should research it further.

Practice answering the past questions. This will help you to get used to the format of the exam and to improve your timing.

DOWNLOAD WAEC PHYSICS THEORY QUESTIONS

Faq about waec physics on google.

Here are some of the most common FAQ about WAEC Physics on Google:

Where can I find WAEC Physics theory past questions?

How do i use waec physics theory past questions to prepare for the exam, what are the different question types on the waec physics theory exam, what is the best way to study for the waec physics theory exam, what are the benefits of using waec physics theory past questions.

There are many benefits to using WAEC Physics theory past questions. First, they can help you to get familiar with the format of the exam. Second, they can help you to identify your weak areas. Third, they can help you to practice answering questions under timed conditions.

There are a few different places where you can find WAEC Physics theory past questions. You can purchase them from a bookstore, download them from the WAEC website, or find them online.

The best way to use WAEC Physics theory past questions to prepare for the exam is to start by reading through them. This will give you an idea of the type of questions that you will be asked on the exam. Once you have read through the past questions, you can start practicing answering them. You can do this by yourself or with a friend.

The WAEC Physics theory exam includes a variety of question types, such as multiple choice, fill in the blank, and essay questions. It is important to be familiar with all of the different question types so that you can answer them confidently on the exam.

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WASSCE / WAEC Physics Past Questions

Welcome to our WASSCE / WAEC Elective Physics past questions page.

Larnedu has the largest WASSCE past questions collection on the web and this is not an exaggeration.

We’re not perfect but we have been working towards improving every day and achieving our mission , which includes helping every student that accesses our learning resources and is ready to work hard, excel academically.

All the WAEC Physics past questions on this page have been 100% free since day one and would likely remain so in the foreseeable future.

We actually spend our financial resources to have some of our WASSCE past questions sent to us, so please:

DO NOT download any of our WASSCE Elective Physics past papers to post on other forums or websites without giving us credit.
DO NOT sell any WAEC Elective Physics past paper you downloaded from Larnedu.
DO NOT post any WASSCE Elective Physics past question paper you downloaded from Larnedu on websites that ask for membership payment or request users to complete tasks (surveys, etc) before they download the paper.

Remember, we started this page to help students who don’t have the budget for hardcopy WASSCE Physics past question papers or who want easy access to the past question papers on their mobile devices or computers.

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The West African Senior School Certificate Examination (WASSCE) is a type of standardized test taken in West Africa, mostly by students who wish to proceed to the higher institution. It is administered by the West African Examination Council (WAEC).

It is only offered to candidates residing in Anglophone West African countries namely: Ghana, Gambia, Nigeria, Liberia and Sierra Leone and is written 2 times a year ( May/June and Nov/Dec) .

The WASSCE tests candidates according to the topics on the WAEC syllabus.

The contents in each WASSCE Physics question phaper (for a specific year) is usually similar from one country to another. Questions on the WASSCE Physics theory section may be specified to be answered by candidates from a particular country and this happens mostly in the theory section.

A WASSCE question paper on a particular subject may be entirely cancelled and changed in a region when the West African Examination Council (WAEC) heading that region suspects a leakage of examination papers before the start of the exam.

Benefits of regular WAEC past questions practice

Speed: Regular practice of our WASSCE Elective Physics past questions makes you faster on the exam day. It’s no secret that questions on the WASSCE for each particular subject are usually similar to questions in previous years since they’re from the same WAEC syllabus . WAEC also sometimes repeats questions word-for-word.

Exposure: Regular practice exposes you to your weaknesses and gives you a chance to better yourself before the exam.

Decreases chances of anxiety: Regular and efficient practice improves your confidence before the exam.

These and many more are some of the beautiful benefits of practising WASSCE Elective Physics past questions.

So it’s important you make it a habit to regularly practice with the past question papers. There’s no doubt that this would help you achieve the grades you desire on the WASSCE on the long run.

Don’t just focus only on the WAEC past questions we provide on this page. We also have other WASSCE related resources that will be of great help to you.

Below this section are the Elective Physics WASSCE / WAEC past questions we have for now. Feel free to use them in accordance to the rules stated on this page and our Terms of Service .

Download (PDF) or view online- WASSCE / WAEC Elective Physics past questions

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Join other helpful users that support what we do by taking a few minutes of your day to do any of the following:

Send a digital copy of any WASSCE Physics past question paper in your collection that is absent from our collection (rewards available). If you don’t have access to a scanner, you can take clear pictures of the pages on a particular paper with your mobile phone/tablet, and send it to us with the appropriate title-we’ll do the rest.
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I am please to inform you that I need you people assistance by helping me with some past WASCE questions and answers inorder to study and become strong in academic please.

We’re about to launch such a service soon. I suggest you read our guide on how to pass the WASSSCE.

Please can you help me with physics question 1995 question 18 solution.

I suggest you find a classmate to help you unfortunately. Best wishes.

Thanks for your time, effort and resources put together to accomplish this task may God Almighty rewards you back.

Thanks for your support. Best.

Good day pls why are the physics past questions ending at 2013

We’re working on adding more WASSCE past questions and answers for various subjects soon. This isn’t easy…but is part of our mission. Sorry for any inconvenience caused. Cheers.

please,can i get english ,phyics and chemistry2010 to date past questions

We’re working on adding more WASSCE past questions for various subjects soon. This not as easy but is part of our mission. Sorry for any inconvenience caused. Cheers.

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WAEC Physics Past Questions | FREE DOWNLOAD

WAEC Physics Questions – Free WASSCE past questions for Physics.

Here is collection of Physics past examination questions to assist you with your studies for the West African Senior School Certificate Examination ( WASSCE ) for both School and GCE candidates.

If you are in your last stage of Secondary School Education (May/June) or not in the School system (GCE), the importance of using old exam papers in preparing for your West African Senior School Certificate Examination ( WASSCE ), cannot be over emphasised. By using past exam papers as part of your preparation, you can find out what you already know. By the same token you also find out what you do not know well enough or don’t know at all.

See: WAEC Timetable for May/June Candidates and WAEC Timetable for GCE Candidates .

What is more, the WAEC past questions for Physics can also be used as an organisational tool to manage your time better, as you can plan according to each section of the paper.

As a matter of fact, revision is more better than memorising facts and going over notes. You can practise for your Physics WAEC Exam by answering real questions from past papers. This will give you a better chance of passing.

WAEC Past Questions for Physics

Click on the year you want to start your revision.

Physics Paper 2 (Objective and Essay) – November 2011

Do you have any other past question(s) other than the ones listed here? If yes, don’t hesitate to share them with others by sending it to [email protected] .

You have to keep trying more than one exam to increase your success in the forthcoming WAEC Exam.

Recommended:

WAEC Syllabus For Physics .
WAEC Sample Questions and Scheme For Physics .
WAEC Past Questions and Answers For Other Subjects .

WAEC Physics 2024 Answers for Essay-Obj Questions Released.

The Waec physics answers for 2024 questions can now be seen here. The West African Examination Council (WAEC) Physics paper will be taken on Tuesday, 23rd May 2023.

WAEC Physics questions and answers for essay objectives are now available. The Waec Physics 2 (Essay) paper will start by 9:30 am and will last for 1hr 30 mins while the Waec Physics 1 (Objective) exam will commence at 11:00 am and will last for 1hr 15 mins.

Following recent reviews, it has been found out that the weaknesses of candidates in WAEC Physics questions included a lack of understanding of the fundamentals of the course, inability to take precise measurements to the required accuracy, inability to plot graphs correctly and disregard of instruction, which makes them loose precious marks.

In this post, we will be sampling wa ec physics questions for candidates that will participate in the SSCE examination from past questions.

WAEC Physics Answers 2024 Questions.

PAPER 2 [Essay] Read Instructions. Write your answers in the answer booklet provided.

1. Explain why mercury does not wet glass while water does.

ANS: Mercury does not wet glass because (force of) cohesion/attraction of mercury molecules is greater than (force of) adhesion/attraction between glass and mercury molecules.

Water wets glass because (force of) adhesion/attraction between glass and water molecules is greater than (force of) cohesion/attraction of water molecules

2. (a) State Faraday’s second law of electrolysis. (b) An electric charge of 9.6 x 104 C liberates 1 mole of substance containing 6.0 x 1023 atoms. Determine the value of the electronic charge. ANS: (a) If the same quantity of electricity is passed through different voltameters/electrolytes connected in series the masses of the substances liberated/deposited during electrolysis is (directly) proportional to their chemical equivalents. (b) Let e represent the electronic charge. e = Faraday’s constant Avogadro’s number = 9.6 x 104 6. 0. x 1023 = 1.60 x 10-19C

3. State: the difference between plane polarized light and ordinary light; two uses of polaroids

ANS: In plane-polarized light, the vibrations of the particles are confined to a single plane perpendicular to the direction of propagation of light while in ordinary light, the vibrations of the particles are in all planes. Uses of Polaroid – sunglasses (to reduce the intensity of sunlight) – to eliminate reflected light/glare – saccharimeter/measurement of the concentration of sugar solution. – stress analysis/photoelasticity.

4. (a) State Faraday’s second law of electrolysis. (b) An electric charge of 9.6 x 104 C liberates 1 mole of substance containing 6.0 x 1023 atoms. Determine the value of the electronic charge. ANS: (a) The mass of an element deposited /liberated during electrolysis is (directly) proportional to the chemical equivalent of the element. (b) Let e represent the electronic charge. e = Faraday’s constant Avogadro’s number = 9.6 x104 6. 0. x 1023 = 1.60 x 10-19C

5. Explain the following terms: (a) tensile stress; (b) Young’s modulus.

6. (a) Define diffusion. (b) State two applications of electrical conduction through gases. ANS: (a) Diffusion is the process by which substances mix with one another due to the random motion of their molecules. (b) Applications of electrical conduction through gases include: – In the advertising industry/ Neon signs – In lighting/ fluorescent tubes – Identification of gases – Cathode ray oscilloscope/ T.V. tubes.

7. (a) List two properties of cathode rays. (b) Explain how the intensity and energy of cathode rays may be increased. ANS: (a) Properties of cathode rays: – They are negatively charged. – travel in a straight line in a field-free space. – are deflected by an electric/magnetic field. – possess (kinetic) energy. – possess momentum. (b) The intensity of cathode rays may be increased by raising the temperature of the cathode /increasing the current through the heater. They may be increased by raising the potential difference between the anode and the cathode/anode potential.

8. Give three observations in support of de Broglie’s assumption that moving particles behave like waves.

9. (a) Differentiate between plane polarization and interference as applied to waves. (b) List two uses of polaroids. ANS: (b) They are used in: – production of 3-dimensional films – determination of the concentration of sugar solution – polaroid cameras – sunglasses.

10. (a) State two factors that affect the mass of elements deposited during electrolysis. (b) List two non-electrolytes. ANS: (a) time, current /quantity of charge, nature/ e.c.e of the element. (b) water, kerosene, petrol, benzene, ethanol.

12. (a) i. State two advantages of alcohol over mercury as a thermometric liquid. ii. When the bulb of a thermometer is placed in a beaker of hot water, the level of mercury first falls and then rises gradually. Explain this observation. (b) List two factors, other than temperature, that affect the rate of evaporation of a liquid. (c) A block of lead of mass 100kg in a crucible and at a temperature of 40oC was placed in an electric furnace rated 10kW. If the melting point of lead is 320oC, calculate the: (i) quantity of heat required to heat the lead to its melting point; (ii) additional heat energy required to melt the lead; (iii) time taken to supply this additional energy. (Specific heat capacity of lead = 120JKg-1 K-1 (Specific latent heat of fusion of lead = 2.5 x 104 JK-1) (d) State two precautions necessary in an experiment to determine the specific latent heat of vaporization of water.

ANS: (a) i. Advantages of alcohol over mercury as a thermometric liquid – lower freezing point – cheaper – easily expansively. ii. the glass of the bulb of the thermometer first expands; hence the mercury level fails. The expansion of the mercury increases more than that of the glass and the liquid rises. (b) Factors other than temperature affecting the rate of evaporation of a liquid – wind – humidity/ dryness of the air – nature of liquid/ viscosity /density – the area of liquid exposed – pressure.

13. (a) State two factors that affect the angle of deviation of a ray of light through a triangular glass prism. (b) Seven virtual images of an object are formed when two plane mirrors are inclined at an angle 0 to each other. Calculate the value of 0. (c) By means of a ripple tank, a student was able to generate a series of transverse waves by varying the frequency ofthe dipper, and all the generated waves covered a distance of 0.80 m in 0.2 s. (i) Determine the speed, v, of the waves (ii) Copy and complete the table given above in your answer booklet. (iii) Plot a graph with f on the vertical axis and h -1 on the horizontal axis. (iv) What does the slope of the graph represent?

14. The Fig. 5.1 below shows a ray of light entering and passing along an optical fibre.

(a) Calculate the refractive index of the glass in the optical fibre. (b) Explain why the ray of light is totally internally reflected at A. (c) Both optical fibre and copper wire are used to transmit data. Optical fibre is cheaper and can carry more data per second than copper wire. State one other advantage of using an optical fibre rather than copper wire to transmit data.

15. (a) State two differences between a sound wave and a radio wave (b) Explain why a vibrating tuning fork sounds louder when its stem is pressed against a tabletop than when held in air. (c) State two conditions necessary for the: i. production of stationary wave in a medium; ii. formation of interference wave patterns; iii. occurrence of total internal reflection of a wave. (d) i. A ray of light is incident on one face of an equilateral glass prism. Draw a ray diagram to show the path of the ray through the prism. ii. Calculate the refractive index of the glass if the angle of minimum deviation is 41o.

WAEC Physics Objective Questions 2024.

Paper 1 [Objective] Answer ALL questions in this section. Shade your answers on the answer booklet provided.

1. An electron moves with a speed of 2.00 x 107 ms-1 in an orbit in a uniform magnetic field of 1.20 x 10-3T. Calculate the radius of the orbit. [Mass of an electron = 9.11 x 10-31kg; charge on an electron = 1.61 x 10-19C]

2. A tennis ball projected at an angle attains a range R = 78 m. If the velocity imparted to the ball by the racket is 30ms-1, calculate. [g=10ms-2]

3. A metallic bar 50 cm long has a uniform cross-sectional area of 4.0 cm2. If a tensile force of 35kN produces an extension of 0.25 mm, calculate the value of Young’s modulus.

4. A stone projected horizontally from the top of a tower with a speed of 4 ms-1 lands on the level ground at a horizontal distance of 25 m from the foot of the tower. Calculate the height of the tower. [g = 10 ms-2]

5. A spiral spring with a metal extends by 10.5cm in air. When the metal is fully in water, the spring extends by 6.8 cm. Calculate the relative density of the metal (Assume Hooke s law Is obeyed)

6. A ray of light is incident on an air-glass boundary at an angle t? If the angle between the partially reflected ray and the refracted ray is 90°, calculate θ given that the refractive index of glass is 1.50.

7. A ball is projected horizontally from a height with a velocity of 40 ms-1. Calculate the drop in height after traveling a horizontal distance of 30m. [Neglect air resistance; g = 10 ms-1]

NOTE: There is nothing like the Waec physics expo online. Do not be deceived by fraudsters posing with fake Waec physics answers on the internet. The resources above on WAEC Physics Answers have been made available to assist candidates understand the required standards expected in Physics final Examination.

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WAEC Physics Questions and Answers for 2023/2024

Welcome to 2023 WAEC Physics Questions and Answers. You will find WAEC Physics Objective Answers, WAEC Physics Essay 2023, WAEC 2023 Physics and the tips you need to pass your WAEC Physics examination with ease.

Table of Contents

WAEC Physics Objectives And Essay Answers 2023

The 2023 WAEC Physics answers will be posted here today, 23rd May during the exam

WAEC Physics Questions and Answers 2023 Loading …

WAEC Physics OBJ Answers:

1-10: CBAACCAABD 11-20: DBDDCDAAAD 21-30: BDCDADDCCB 31-40: CBBABACBBC 41-50: ADDACCCCCD

To use dimensional analysis to determine the values of x, y and z, let’s first look at the dimensions of each variable:

v = velocity

p = density

A = surface area

Using the dimensions of these variables, we can write:

Substituting these dimensions into the given equation, we get:

Simplifying the right-hand side, we get:

Equating the dimensions on both sides, we get:

For mass: 1 = x

For length: 1 = -3x + 2y + 2z

For time: -2 = -y

Solving for x, y, and z, we get:

Therefore, the values of x, y, and z are 1, 2, and 0 respectively.

(4) TABULATE: (PICK ANY THREE) Geostationary satellites: (i) Orbit the Earth directly above the equator in a geosynchronous orbit (ii) It has an inclination of 0 degrees (iii) Its coverage are limited to a specific longitude (iv) They observe the Earth from a fixed position, providing a continuous view of a specific region (v) They collect data for meteorological observations, weather forecasting, and telecommunications (vi) They are positioned at an altitude of approximately 35,786 kilometers (vii) They provide a continuous stream of data and observations for a specific region, allowing for real-time

Polar satellites: (i) Orbit the Earth in a polar orbit (ii) It has a high inclination angle (usually around 90 degrees) (iii) They cover the entire Earth’s surface over time. (iv) They observe the Earth from a changing perspective as they orbit, resulting in different views of the Earth’s surface with each pass. (v) They collect data for a wide range of applications, including weather monitoring, climate research, environmental monitoring, and scientific research. (vi) They operate at lower altitudes, typically between 700 and 1,500 kilometers (vii) They have a lower data refresh rate since they pass over a given area less frequently.

(4) (PICK ANY THREE) (i) Geostationary satellites orbit the Earth directly above the equator in a geosynchronous orbit. They remain fixed relative to a specific point on the Earth’s surface WHILE Polar satellites orbit the Earth in a polar orbit, passing over or near the North and South poles on each orbit.

(ii) Geostationary satellites have an inclination of 0 degrees, meaning their orbital plane aligns with the equatorial plane WHILE Polar satellites have a high inclination angle (usually around 90 degrees) to achieve polar orbits.

(iii) Geostationary satellites provide coverage over a large portion of the Earth’s surface (typically one-third to half) but are limited to a specific longitude range WHILE Polar satellites provide global coverage, as they pass over or near the poles on each orbit, covering the entire Earth’s surface over time.

(iv) Geostationary satellites observe the Earth from a fixed position, providing a continuous view of a specific region WHILE Polar satellites observe the Earth from a changing perspective as they orbit, resulting in different views of the Earth’s surface with each pass.

(v) Geostationary satellites primarily collect data for meteorological observations, weather forecasting, and telecommunications WHILE Polar satellites collect data for a wide range of applications, including weather monitoring, climate research, environmental monitoring, and scientific research.

(vi) Geostationary satellites are positioned at an altitude of approximately 35,786 kilometers (22,236 miles) above the Earth’s surface WHILE Polar satellites generally operate at lower altitudes, typically between 700 and 1,500 kilometers (435 to 932 miles.

(vii) Geostationary satellites provide a continuous stream of data and observations for a specific region, allowing for real-time monitoring WHILE Polar satellites have a lower data refresh rate since they pass over a given area less frequently. However, they provide a broader coverage over time.

(a) The kinetic theory states that all matter is made up of tiny particles (atoms or molecules) that are in constant motion. Diffusion is the process by which these particles move from an area of high concentration to an area of low concentration, due to their random motion. This occurs because the particles collide with each other and bounce off in different directions, spreading out over time. The rate of diffusion depends on factors such as temperature, pressure, and the size and shape of the particles. In general, diffusion is faster at higher temperatures and lower pressures, and for smaller particles that can move more easily through a medium.

(i) One phenomenon that demonstrates that light behaves as a wave is interference, where two or more waves can combine to form a new wave with a different amplitude and wavelength.

(ii) One phenomenon that demonstrates that light behaves as a particle is the photoelectric effect, where light can knock electrons off a metal surface, indicating that light has energy in discrete packets called photons.

6. (a) One difference between an intrinsic and an extrinsic semiconductor is that intrinsic semiconductors are pure materials (such as silicon or germanium) with no intentional impurities added, while extrinsic semiconductors have small amounts of impurities (dopants) intentionally added to alter their electrical properties.

(b) Two reasons why optical fibers are preferred to copper cables in telecommunications are:

– Optical fibers have much higher bandwidth and can transmit data at much higher speeds over longer distances without signal degradation.

– Optical fibers are immune to electromagnetic interference and do not generate electromagnetic fields, making them more secure and reliable for transmitting sensitive information.

(7a) (PICK ANY ONE) Fiber optics refers to a technology that utilizes thin, flexible strands of glass or plastic called optical fibers to transmit information in the form of light pulses.

Fiber optics refers to the technology that uses thin strands of glass or plastic fibers to transmit data and information in the form of light signals

Fiber optics is a method of transmitting light signals through optical fibers for the purpose of communication or data transmission.

(7b) (PICK ANY TWO) (i) Optical fibers have a much higher bandwidth compared to copper cables. (ii) Optical fibers can transmit signals over much longer distances without experiencing significant signal degradation unlike copper cables which are limited in their transmission. (iii) Optical fibers are immune to Electromagnetic Interference while copper cables are susceptible to interference (iv) Optical fibers offer improved security for data transmission whereas copper cables are vulnerable to eavesdropping or unauthorized access (v) Optical fibers are much thinner and lighter than copper cables, making them easier to install and handle.

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WAEC Physics Essay and Objective 2023 (EXPO)

The above questions are not exactly 2023 WAEC Physics questions and answers but likely WAEC Physics repeated questions and answers.

These questions are for practice. The 2023 WAEC Physics expo will be posted here soon.

WAEC Physics Objectives Answers

Keep checking and reloading this page for more answers. More answers loading…

Tips to Pass WAEC 2023 Physics Questions

1. be positive in your thought.

It is obvious that until your mindset is positive, your life will not be positive. As you prepare for WAEC 2023, you must develop a positive mindset toward your fate.

Don’t say, “WAEC Physics is very hard I don’t know whether I will pass” and don’t believe anyone that says you cannot pass WAEC 2023 Physics on your own.

Have the mentality, “If others passed WAEC 2023 Physics in the past, then I will be like them. Refuse to be identified with failure or those that failed in the past.

Even if this year’s WAEC Exam is not your first time, it doesn’t mean that you cannot pass WAEC 2023 Physics this time around. Sit for Physics 2023/2023 with a refined mindset. Nothing will make you fail WAEC 2023. Until your mindset is positive, your life will not be positive.

2. Be Mindful of the Friends You Keep

If you are really serious about passing WAEC 2023 Physics, try and avoid bad companies. They will discourage and engage you in activities that will not enhance your success. Remember that their mindset may not correspond to yours.

3. Target High

If you have made up your mind to pass WAEC 2023, the next thing you should do is set targets. Write down the type of grades you want in WAEC 2023. If you want all As, zero Fs and Zero Es then you should start planning it now.

Make sure you create a timetable and master plan to achieve your set goals. Remember, it takes nothing to dream but it takes everything to focus on your dream.

4. Study Using the Recommended WAEC Physics Textbooks

One of your plans should be to get the WAEC 2023 Physics recommended textbooks. Normally, the West African Examination Council recommends books for the examination.

But apart from WAEC 2023 Literature in English where certain novels are compulsory, you are free to use any good textbook to prepare for WAEC 2023 Physics exam. Some topics are more difficult to understand.

If you have any topic you are finding difficult to understand, then get another textbook that will make things simple for you.

5. Study WAEC Physics Past Questions:

This is a very good plan. Since WAEC 2023 and WAEC 2023 are of the same standard, you could use the same past questions to study for both.

If you are confused about how to get WAEC or WAEC past questions. They are sold in good bookshops around.

It is possible that the school where you registered could offer to give you some current past questions that will help you in WAEC 2023 Physics.

6. Start Preparing for WAEC 2023 :

Stop wasting your time. Now that you have gotten textbooks and past questions, the next thing is to begin your reading. Early reading and practice are good for you; you will pass well on WAEC 2023 Physics

7. Solve and try to understand every example and exercise you see in textbooks

It is very unfortunate that Secondary school students are fond of skipping exercises and even examples while studying textbooks.

They loved notebooks so much that they could ask, “can I read my Physics notebook and pass WAEC 2023?”. Don’t be scared of attempting exercises; they are there to help you. Face it and overcome it!

8. Test yourself after a study by reading WAEC physics past question

This is a good practice. Once in a while, answer full one year Physics past questions on your own without checking the answers. Then mark to see your score. This will help you in many aspects.

9. Practise Regularly

Don’t get discouraged when certain topics are annoying, keep on practicing until you master everything. Never give up and never say never. Keep on keeping on….

10. Create Break Time

Create time for yourself where you play and ease off stresses. Do not overwork yourself; it can make you waste time unnecessarily. Once you work more than necessary, you are not gaining anything.

11. Revise your Previous studies

Doing constant practice is a good idea for WAEC 2023. Don’t just read a topic and forget about it. Revision helps; always go through what you have read over and over again.

12. You can Attend WAEC Preparatory Classes

Attending regular classes makes it easier for you to do well in WAEC 2023 Physics. Do not feel too big to learn from teachers no matter how small or dull they may be. You can also attend other classes that may help outside your normal classes.

WAEC Physics Answers to Questions 2023 loading….

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Last Updated on June 18, 2023 by Admin

157 thoughts on “WAEC Physics Questions and Answers for 2023/2024”

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WAEC Physics Objective Past Questions and Answers in 2023

Download Now! WAEC Physics Objective questions, likely physics waec questions, common physics questions in waec

Are you writing this upcoming West African Examination Council WAEC Exam, did you registered for the subject Physics?

If yes, then one of the sure way of passing this subject easily is to study the examination body council past questions and answer.

you really want to know why, here is a summary of the reason.

It give you an insight on the scope of exam. You won’t be in the dark about questions to expect in the examination. You will be self reliant during the exam You won’t develop examination fever as you already know the angle of where the question will be coming from Equips you beforehand.

Over the years, we have received sms and call from student who used the past question, and the tremendous role it play in making them come out in flying colour.

we at stcharlesedu.com has compiled a good number of Physics WAEC Past Questions in pdf.

What others are downloading WAEC Past Questions for all Subjects

waec physics objective questions and answers

Table of Contents

1 WAEC Physics Objective Questions
2 Objective Physics WAEC Questions on Motion
3 WAEC Physics Questions on Specific Heat Capacity Objective
4 Free WAEC Objective Past Questions in Physics
5 How to get WASSCE Physic Objective and Essay Questions and Answers

WAEC Physics Objective Questions

Answer all the questions.

Each question is followed by four options lettered A to D. . Find out the correct options for each question and shade in pencil on your answer sheet, the answer space which bears the same letter as the option you Chosen. Give only one answer to each question.

An example is given below.

A series LC circuit has capacitance 50 F and Inductance of 500 u H . Calculate the frequency at which the circuit will resonate. [π= 3.142]

A. 6365 Hz

B. 3183 Hz

C. 1006 Hz

D. 503 Hz

The correct answer is 3183 Hz, which is lettered B and therefore answer space B would be shaded.

[A] [B] [C] [D]

Think carefully before you shade the answer spaces; erase completely any answer(s) you wish to change Now answer the following questions

Do all rough work on this questions paper

Now answer the following questions.

1. The time rate of increase in velocity is called A. force. B. momentum. C. acceleration. D. speed.

2. Which of the following quantities is a vector? A. Volume B. Momentum C. Energy D. Speed

3. In an elastic collision, momentum is conserved as well as A. velocity. B. kinetic energy. C. potential energy. D. speed.

4.The induced current in a coil always flows in a direction so as to oppose the change that causes it. This statement is known as A. Coulomb’s law. B. Lenz’s law. C. Faraday’s law. D. Ampere’s law.

5. Which of the following instruments can be used to compare the magnitudes of charges on two given bodies. A. Electrophorus B. Ebonite rod C. Gold-leaf electroscope D. Proof planes

6.A body of mass 2 kg is released from a point 100 m above the ground. Calculate its kinetic energy 80 m from the point of release. A. 1600 J B. 900 J C. 600 J D. 200 J

7. Which of the following waves is not mechanical? A. Waves in pipes B. Water waves C. Radio waves D. Sound waves

Objective Physics WAEC Questions on Motion

8. A loaded spring is set in simple harmonic motion. The force that tends to restore the load to its equilibrium position is A. adhesive. B. elastic. C. frictional. D. gravitational.

9. Which of the following cases cannot produce total internal reflection? A light ray travelling from A. glass to water. B. kerosene to air. C. air to water. D. water to ice.

10.The vacuum in a thermoflask reduces heat loss resulting from A. radiation only. B. conduction and convection only. C. radiation and convection only. D. conduction only

11. The diagram above represents an experimental set-up for verifying

Download the WAEC Physics Objective past questions in pdf copy to see the diagram A. lens formula. B. refraction laws. C. reflection laws. D. mirror formula.

12. Which of the following statements about a moving object is correct? A. When accelerating, the resultant force acting on it must be equal to zero. B. There must always be a non-zero resultant force acting on it. C. At a steady velocity, the resultant force acting on it must be equal to zero. D. Ata steady velocity, the air résistance must be equal to zero.

13. If the efficiency of a transformer is 100%, which of the following equations would be correct? A. NpEp = NsEe B. NsIp= NpIs C. NsIs = NpIp D. IpEs — IsEp

14. A freshly demagnetized bar magnet is placed in the East-West direction to ensure that A. the molecular Magnets remain randomly arranged. B. the molecular magnets are properly aligned. C. it is affected by the earth’s magnetic field. D. the magnetic domains are within the earth’s field.

15. Which of the following graphs of a charge Q against potential difference V across capacitor is correct?

16. A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube. The mercury level goes down because the air molecules A. heat the mercury and make it to expand. B. increase the pressure above the mercury. C. cool the mercury and make it to contract. D. decrease the pressure above the mercury.

WAEC Physics Questions on Specific Heat Capacity Objective

17. Calculate the quantity of heat needed to change the temperature of 60 g of ice at 0 °C to 80 °C. [Specific latent heat of fusion of ice = 3.36 x l0 5 J kg -1 Specific heat capacity of water = 4.2x l03J kg -1 K -1 A. 4.80 kJ B. 20.16 kJ C. 40.32 kJ D. 22.17 kJ

18.The wire of a platinum résistance thermometer has a résistance of 3.5 Ω at 0 °C and 10.5 Ω at 100 °C. Calculate the temperature of the wire when its résistance is 7.5 Ω. A. 78 °C B. 25 °C C. 36 °C D. 57°C

19. A transverse pulse of frequency 9 Hz travels 4.5 m in 0.6 s. Calculate the wavelength of the pulse. A. 3.33 m B. 0.30 m C. 0.83 m D. 1.20 m

20. In which of the following media is speed of Sound the least? A. Air B. Brass C. Water D. Wood

21. Which of the following characteristics of waves can a ripple tank be used to demonstrate? I. Reflection II. Refraction III. Diffraction

A. I, II and III B. II and III only C. I and III only D. I and II only

22. Which of the following graphs gives the correct relationship between energy and mass when mass is converted to energy.

Download the WASSCE Physics Objective past questions in pdf copy to see the diagram

23. An 800 kg car moving at 80 km hr -1 collides with a 1200 kg car moving at 40 km hr -1 in the same direction. If the cars stick together, calculate their common velocity. A. 60 km hr-1 B. 8 km hr-1 C. 40 km hr -1 D. 56 km hr-1

24. The mass of a load is doubled while the force acting on it is halved. The resulting acceleration of the load is A. quadrupled. B. quartered. C. halved. D. doubled.

25. The maximum and minimum thermometer reads the A. maximum temperature during the day and the minimum temperature at night at all times. B. maximum temperature at night and minimum temperature during the day from the last reset. C. maximum temperature at night and minimum temperature during the day at all times. D. maximum temperature during the day and minimum temperature at night from the last reset.

26. An a.c. generator can be converted to a d.c. generator by replacing the A. commutator with an armature. B. armature with a commutator. C. commutator with slip rings. D. slip rings with a commutator.

27.Which of the following statements is the correct reason for using soft iron in making the armature of an electric bell? A. It is a diamagnetic material. B. It loses its magnetism readily. C. It is not easily magnetized. D. It retains its magnetism for a long time.

28. The diagram above illustrates a meter bridge circuit under balanced condition. Determine the value of x.

Download the WAEC SSCE Physics Objective past questions in pdf copy to see the diagram A. 71.4 cm B. 10.0 cm C. 28.6 cm D. 57.2 cm

29. Which of the following devices is used for storing electric charges? A. Transformer B. Ammeter C. Potentiometer D. Capacitor

An electron of mass 9.1 x 10 -31 kg moves with a speed of 2.0 x 10 6 ms -1 round the nucleus of an atom in a circular path of radius 6.1 x 10 -11 m.

Use the information to answer questions 30 and 31.

30. Determine the angular speed of the electron. A. 3.28×1016 rad s-1 B. 8.55 x 103 rad s-1 C. 9.11 x 1013 rad s-1 D. 5.22 x 1015 rad s-1

31. Calculate the centripetal force acting on the electron. A. 7.7×10 -47 N B. 6.0 x 10 -8 N C. 3.0×10 -14 N D. 1.3×10 -26 N

32. A device consumes 100 W of power when connected to a 120 V source. Calculate its résistance. A. 1.2 Ω B. 12,000.0 Ω C. 20.0 Ω D. 144.0 Ω

33. Which property of a wave remains constant when the wave travels from one medium into another? A. Amplitude B. Wavelength C. Velocity D. Frequency

Free WAEC Objective Past Questions in Physics

Click to Download your free WAEC Past Question on Physics Paper 1 and 2 Link 1: Free WASSCE Physics Past Questions Link 2: Free WASSCE Physics Past Questions

How to get WASSCE Physic Objective and Essay Questions and Answers

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WAEC Physics Theory Past Questions and Answers in 2023
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Physics 2020 WAEC Past Questions

In collision between two objects, kinetic energy is conserved only if

A. one of the objects was initially at rest
B. potential energy is converted to work
C. the collision is inelastic
D. the collision is elastic

The quantity of motion of a body is its

A. acceleration
B. displacement
D. velocity

The volume of a fixed mass of a gas varies inversely as the pressure on it provided the temperature is constant. This statement is

A. Pressure law
B. Charles law
C. Boyle's law
D. General gas law

An image formed on a screen is always?

A. inverted
B. magnified

How would the capacitance of a parallel plate capacitor be affected if the distance of separation of its plates is decreased? It will

A. increase in value
B. decrease slightly
C. remain unchanged
D. drop to zero
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Waec Physics Practical 2021 Answers – 24th September 2021

Waec Physics Practical Answers 2021: Waec Physics Practical Questions and Answers – See all the answers and questions on Physics Practical for this year’s AUGUST/SEPTEMBER Waec Physics Practical exams Expo here.

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NO 1X GRAPH

(1bi) The period of an oscillatory motion is the time taken for a body to complete one oscillation. (1bii) -TABULATE- (i)Mass is a scalar quantity WHILE weight is a vector quantity. (ii)The SI unit of mass is the kilogram (kg) WHILE the SI unit of weight is Newton (N). °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°′ (3av) Tabulate S/N ||1 || 2 || 3 || 4 || 5 d(cm) || 80.00|| 70.00 || 50.00 || 40.00 || 30.00 I(A) || 0.30||0.35 || 0.40|| 0.45||0.50 || (I)^-¹ ||3.333 ||2.857 ||2.500 || 2.222||2.000 || (3avii) from the graph, Slope s, = ∆d/∆I^-¹ = 71 – 20 ÷ 3 – 1.75 = 51/1.25 = 40.8cmA Or 0.408Am (3aviii) (i) I ensured tight connections (ii) I avoided error due to parallax while reading the ammeter (3bi) (i) Straight at the magnetic field (ii) The number of turns of it’s coils (3bii) Given: Diameter d, = 0.6cm = 6×10^-³m Resistivity, e = 1.0×10^-6 Ωm Resistance R = 4Ω Using R = eL/A L=RA/e = Rπd²/4e = 4 × 22/7 × 36 × 10^-6 ÷ 4 × 1 × 10^-⁶ = 22/7 × 36 = 113.14m :. L = 113.14metres

=============================================

Table of Contents

Waec Physics Practical Answers 2021 for 23rd September 2021

Friday, 24th september 2021.

Physics 3 (Practical) (Alternative A) 9:30 am. – 12:15 pm. (1stSet) Physics 3 (Practical) (Alternative A) 12:45 pm.–3:30 pm.(2ndSet)

EXAM TYPE: Waec 2021

SUBJECT: Physics Practical

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Waec Physics Specimen 2021 (PHYSICS APPARATUS)

Two-metre rules
Two Retort stand and clamp
Thread (about 250cm long)
Stopwatch Or Clock
A weighing balance
Splits Corks
A set of Masses (Two 10g, two 20g and two 50g)
Ray box with illuminated Object (Crosswire)
Convex Lens(f=15cm)
Lens Holder
Accumulator or two Dry Cells (2×1.5V)
Ammeter (0—1A)
Crocodile Clip
A 2Ω Resistor
Constant Wire (About 1m long)
Connecting Wires

CONDUCTING THE PRACTICAL PHYSICS TEST

3. The following announcement should be made to the candidates at the beginning of the examination:

‘The Examiner does not want you to waste your time because you cannot proceed with an experiment. Any candidate, therefore, who cannot get on with the experiment after spending 15 minutes on it, may come to me and ask for help.’

4. The Physics Teacher should be allowed to give a ‘Lint to a candidate who is unable to proceed with the experiment.

5. The following regulations must be strictly adhered to.

(a) No hint should be announced to the candidates as a whole. (b) A candidate who is unable to proceed and requires assistance must come up to you and state his or her difficulty. The candidate should be told that the Examiner will be informed of any assistance given in this way. (c) A note must be made, on the Report Form, of any assistance given to any candidate, with the name and index number of the candidate.

REPORT FORMS

6. Report Forms are provided separately, on which you are required to state the following:

(a) detailed information about the apparatus where necessary; (b) any particular difficulties experienced by any candidate, especially if the Examiner would be unable to discover these from the scripts;

(c) any departure from the specified items which could not be avoided; (d) any assistance given to the candidates under the regulations explained in 5 above.

7. In cases where several sets of apparatus are provided for a question and specific information about the appAratus is required by the Examiner, each piece of apparatus about which the information is required, and which may differ slightly for different candidates. must he clearly m, ked letters A, B, C, etc. and the corresponding information must be clearly reported, showing which apparatus was supplied to which candidate. The candidates should be instructed to record these letters in their scripts.

8. A completed Report Form must be enclosed in each envelope of scripts.

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WAEC Physics Practical Past Questions and Answers

Waec Past Questions and Answer

The resources below on Physics Practical have been provided by WAEC to assist you to understand the required standards expected in Physics Practical final Examination. Students’ performance in examination under review was done by the Chief examiner Questions.

The contents in each WASSCE Physics Practical question paper (for a specific year) are usually similar from one country to another. Questions on the WASSCE Physics Practical section may be specified to be answered by candidates.

The standard of the paper was good and did not deviate from those of the previous years. The questions were straightforward, unambiguous, and spread to cover most aspects of the Syllabus. The rubrics were clearly stated.

However, there has been so much significant improvement in the overall candidates’ performance compared with those of the previous years because of the Past question that student engages themselves.

WAEC Physics Practical PAST QUESTION AND ANSWERS FOR 2021/2021

Carefully read and take note of the following questions and try to answers by choosing the option that best suits the question after that use your textbook to confirm it. Let get started with the Waec Past Questions and Answer

2021 NECO PHYSICS-PRACTICAL

reading- 1,2,3,4,5

masses(m)- 50,53,55,58,60 depth(d)-5.50,5.80.6.00,6.30,6.60 ti(s)- 6.45,6.80,6.85,7.40,7.45 T=t/n(s)- 0.655,0.680,0.685,0.740,0.758 T^2(s^2)- 0.429,0.462,0.469,0.548,0.575 Li(g/cm)- 5.455,5.776,5.833,6.032,6.154 Mli(g)-30.0,33.5,35.0,38.0,40.0

1aix) i)I avoided parallax error in reading clock/weight balance ii)I ensue repeated readings are taken to avoid random error

1bi) i)weight ii)upthrust iii)viscous force/drag or liquid friction

1bii) The amplitude of oscillation of the loaded test tube decreases with time because of the viscous drag(force) which opposes the motion.

(1xii) (i)i avoided draught. (ii)i avoided error due to parallax when reading the meter rule. (iii) I ensured steady oscillation. (iv) I avoided zero error to the stop clock. =====================================

Table W1 s/n-1,2,3,4,5,6 xn(cm)/d1=0.009m- 3.06,3.50,3.70,4.30,4.50,4.80 xm(cm)converted/- 15.30,16.50,18.50,21.50,22.50,24.40 xm(cm)converted d2=0.005m- 84.70,83.50,81.50,78.50,77.50,75.60 Ri(n)- 11.07,10.12,8.81,7.30,6.89,620

Tabulate W2 s/n-1,2,3,4,5,6 xmi(cm)- 1.40,1.65,1.80,2.20,2.55,2.94 converted/xmi(cm)7.00,8.25,9.00,11.00,12.75,14.70 xni(cm)- 93.00,91.75,91.00,89.00,87.25,85.3 R2i(n)- 26.57,22.24,20.22,16.18,13.69,11.61 slope dy/dx=26.57-13.69/11.07-6.89 =12.88/4.18 =3.08

3ix) k=d2/d1*squareroot5 =0.005/0.009*squareroot13.08 =0.56*1.75 =0.98

3x) i)i would ensure that the terminal are well tightened to avoid partial contact ii)i would obey the conect connection of positive to positive to negetive to negetive when connecting to circuit

3bi) when temperature increases the molecules tends to vibrate more intense there by opposing the flow of current

3bii) P=I^R P=V^2/R power=1000W Voltage=200V R=? 1000=200^2/R R=40000/1000 R=40

(3xi) (i)I ensured tightened connections. (ii) I avoided error due to parallax on the ammeter. (iii) I removed key when reading was not taken (iv) Avoidance of repeated reading from table ====================================

CHOOSE ANY PERFECT TWO FROM EACH

More loading 👇👇👇

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(1xii) (i)i avoided drought by closing the window (ii)i avoided error due to parallax when reading the meter rule =====================================

(3xi) (i)I ensured tight connections (ii) I avoided error due to parallax on the ammeter ===================================== 1. Thermodynamics, science of the relationship between heat, work, temperature, and energy. In broad terms,thermodynamics deals with the transfer of energy from one place to another and from one form to another. 2. THERMO DYNAMIC SYSTEM: A system is defined as a region in space containing a quantity of matter whose behaviour is being investigated. This quantity of matter is separated from its surroundings by boundary, such as they walls of a vessel. (3a) (xii) (i)I ensured tight connections on all terminals (ii) I avoided error due to parallax on the ammeter

(3bi)Period refers to the amount of time it takes a wave to complete one full cycle of oscillation or vibration. Frequency, on the contrary, refers to the number of complete cycles or oscillations occur per second. Period is a quantity related to time, whereas frequency is related to rate. Period simply refers to the time for something to occur periodically, whereas frequency means how often that happens.

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More coming

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USE THE DIAGRAM AS A GUIDE TO CARRY OUT THE FOLLOWING EXPERIMENT

📌 Trace the outline ABCD of the rectangular glass prism on the drawing paper provided. 📌 Remove the Prism. Select a point N on AB such that AN is about one quarter of AB. 📌 Draw the normal LMN. Also draw a line RN to make an angle ∅° 75° with AB at N 📌 Fix two pins at P1 and P2 on line RN. Replace the prism on its outline. 📌 Fix two other pins at P3 and P4 such that they appear to be in a straight line with the image of the pins at P1 and P2 when viewed through the prism from side DC. 📌 Remove the Prism and the pins at P3 and P4. Draw a line to join P3 and P4 Chat Exammovement for your runzs ,07062154881, 📌 Produce line P4 P3 to meet the DC at O. Draw a line to join NO. 📌 Evaluate ∅ = MO/NO and Cos∅ 📌 You will be given some values to find e.g. 30, 65, 100, and so on. Tabulate the values plot a graph vertical and horizontal determine the slope on the graph

📌 Note the precautions below👇🏿👇🏿

1. I ensured that pins are vertically erect 2. I ensured that pins are reasonably spaced 3. Ensured neat traces

Some Questions that are likely to come out 📌

I. Explain the term refractive index and give the mathematical expression for it in terms of wavelength.

II. State the conditions necessary for total internal reflection to occur for a given pair of media. III. State Snell’s law of refraction 📌📌📌

==========================

*NECO 2020 PHYSICS OBJ* 1BCBDBEEDCD 11DACBEBABDE 21CDDDABBBAC 31CDAEBBCCDC 41BEEBDBAEEC 51DDCDADDEBD

*NECO 2020 SECTION A*

*ANSWERS ONLY 6 FROM THIS SECTION NUMBER 1 IS COMPULSORY* ===================================== PART I

(1a) (i)printing machine (ii)sterilizer

(1b) Diagram (step up transformer)

(1c) 1=1.26 t=48005 m=? z=3.3*10^-⁴g m=3.3*10^-⁴*1.26*4500 =1.996gram ≅2gram =====================================

(2a) A system is unstable when displaced, it experiences a net force in the same direction as the displacement from equilibrium. It tends to accelerate away from its equilibrium position if displaced even slightly while for neutral equilibrium, the system is independent of displacement from its original position

(2b) (ii)Low centre of gravity (ii)Large surface area in contact =====================================

(3a) Velocity is defined as the rate of change in the displacement of a body it is a vector quantity with the S.I unit of ms-¹

(3b) DIAGRAM =====================================

(4) At equilibrium position Point B, the body possess maxim kinetic energy. As it moves out to end point A and C. It stops momentarily before changing its direction.

(Diagram) =====================================

(5a) They are both derived quantities

(5b) 67-0/100-0 = x-25/100-25 67/100 = x-25/75 61*3 = 4(x-25) 201 = 4x-100 4x = 201+100 4x = 301 x = 301/4 = 75.25 ohms =====================================

(6a) (i)violin (ii)guitar

(6b) The depth of field of a lens camera is less than that of a pinhole camera =====================================

(7a) – An amplifier – A speaker

(7b) u = 16cm m = 4=v/u :. v =4u v = 4×16 = 64cm Recall, 1/f = 1/u + 1/v 1/f = 1/16 + 1/64 1/f = 4+1/64 1/f = 5/64 f = 64/5 = 12.8cm =====================================

(8a) The zinc atoms on the surface of the anode oxidizes I;e they give up both their valence electrons to become positively

(8b) Diagram =====================================

(9a) The power factor of a circuit is unity when the apparent power equals or some as the real power

(9b) V=Vr+Vc 15=12+Vc Vc=15-12 Vc=3v =====================================

(10a) (i)Viscosity (ii)weight (iii)upthrust

(10bi) (i)Viscosity; the force in between the layers of flurds this force would tend to reduce the velocity at which the stone moves down till it reach terminal velocity

(ii)weight; is the actual force acting of the stone in the liquid.

(iii)upthrust; is the upward force felt by reply objects in flurd, due to the area displace =====================================

(11i) A=9 (molecular mass) B=6 (atomic mass) C=0

(11ii) Z=Energy

(11iii) Nuclear fusion =====================================

8ai) Work is the measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

(8aii) Energy is defined as the “ability to do work, which is the ability to exert a force causing displacement of an object.”

8d)At constant pressure, the number of collision per unit time is constant. An increase in temperature causes average Kinetic energy increases. The molecules then move faster. The volume therefore increases so as to maintain the number of collision per unit time.

(9ai) The momentum of a body is the product of its mass and its velocity.

(9aii) The total momentum of a system before collision equals to the total momentum after collision provided no external force acts. OR In a system of colliding bodies the total momentum is constant provided no external force acts.

9b) (b) Mp Up + Mq Uq = Mp Vp + Mq Vq

0.25 Up + 0 = 0.25 x 23 Up + 0.25 x 2; 0.25

(Up – 2/3 Up) = 0.50; 1/3

Up = 0.500.25 = 2m/s

Up = 2 x 3 = 6m/s

(9c) Newton’s second law of motion states that the time rate of change of linear momentum is directly proportional to the force causing the change and the change takes place in the direction of the force

(9d) Resultant force on the vehicle = 9600 – 200 = 7400N.

a = Fm=74003400 = 2.18ms−2 or 2.2ms−2

Heat lost = 0.024 x 400 (230 – T).

Heat gained by water = 0.054 x 4200 (T – 31)

Heat gained by calorimeter = 0.060 x 400 (T – 31)

Heat lost = Heat gained = 0.024 x 400 (230 – T) = 0.054 x 4200

(T – 31) + 0.060 x 400 (T – 31) T = 38.34°C

*_AREA OF CONCENTRATION FOR PHYSICS WAEC_*

🔘Equilibrium of bodies

🔘Motion, Speed and Velocity

🔘Rectilinear Acceleration

🔘Simple Harmonic Motion

🔘Equilibrium of Forces

🔘Newtons Law of Motion

🔘Energy, Work and Power

🔘Heat Energy and Wave

🔘Optics and Fields

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Waec Physics Practical 2021 Answers
Questions on the WASSCE Physics Practical section may be specified to be answered by candidates. The standard of the paper was good and did not deviate from those of the previous years. The questions were straightforward, unambiguous, and spread to cover most aspects of the Syllabus. The rubrics were clearly stated.

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+ MAY/JUN. WASSCE 2008

WAEC Physics 2021 Questions and Answers

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WAEC Physics QUESTION 2021?

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Tips to Pass WAEC 2023 Physics Questions

2. Be Mindful of the Friends You Keep

3. Target High

4. Study Using the Recommended WAEC Physics Textbooks

5. Study WAEC Physics Past Questions:

6. Start Preparing for WAEC 2023 :

7. Solve and try to understand every example and exercise you see in textbooks

8. Test yourself after a study by reading WAEC physics past question

9. Practise Regularly

10. Create Break Time

11. Revise your Previous studies

12. You can Attend WAEC Preparatory Classes

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