WAEC Physics Theory Past Questions and Answers in 2023

Download Now! WAEC Physics Theory or Essay Question and Answers

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

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


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

What other are downloading WAEC Past Questions


WAEC Physics Theory Questions and Answers



1 1/2 Hours

[ 60 marks ]

Answer eight questions in all.

Five questions from Part I and three questions from Part II.


WAEC Essay Questions Part I


[15 marks]

Answer any five questions from this part.

All questions carry equal marks.


1. (a) Define strain.

(b) A rubber band is stretched to twice its original length.

Calculate the strain on the rubber band.


2. State three materials used for making optical fibres.


3. Name three classes of magnetic materials.


4.(a) What is an intrinsic semiconductor?

(b) Distinguish between the p-type and n-type semiconductors.



6. A black body radiates maximum energy when its surface temperature T and the corresponding wavelength λmax are related by the equation, λmax T = constant. Given the values of the constant and surface temperature as 2.9 x 10-3 mK and 570C respectively,

Calculate the frequency of the energy radiated.


7. (a) What does the acronym LASER stand for?

(b) What is a laser?

WAEC Theory Questions Part II


[45 marks]

Answer any three questions from this part.

All questions carry equal marks.

8(a) Define uniform acceleration,

(b) Forces act on a car in motion, list the:

(i) horizontal forces and their directions;

(ii) vertical forces and their directions,

(c) A car starts from rest and accelerate uniformly for 20s to attain a speed of 25 ms-1.

It maintains this speed for 30s before decelerating uniformly to rest.

The total time for the journey is 60 s.

(i) Sketch a velocity-time graph for the motion,

(ii) Use the graph to determine the:

(α) total distance travelled by the car;     

(β) deceleration of the car.

(d) The figure here illustrates force-extension graph for a stretched spiral spring. Determine the work done on the spring [download document below to see the image]



9. (a) List two factors each that affect heat loss by:

(i) radiation; (ii) convection,

(b)State two factors that determine the quantity of heat in a body.

(c)Explain the statement: The specific latent heat of vaporization of mercury is 2.72 x 105Jkg1.

(d)A jug of heat capacity 250 J kg-1 contains water at 28°C

An electric heater of resistance 35Ω connected to a 220 v source is used to raise the temperature of the water until it boils at 100°C in 4 minutes.

After another 5 minutes, 300 g of water has evaporated. Assuming no heat is lost to the surroundings, calculate the:

(i) Mass of water in the jug before heating;

(ii) Specific latent heat of vaporization of steam.

[Specific Heat Capacity of Water = 4200 Jkg-1 K-1]

Free Download WAEC Theory Past Questions

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Link 1 – WASSCE Physic Essay questions Link 2 – WASSCE Physic Essay questions

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