Physics Past Questions 2024

Sample WAEC-style Practice Questions (Original Content)

WAEC Style

Question 1

Which of the following is a scalar quantity?

Question 2

A spring of natural length 10cm is stretched to 15cm by a force of 20N. Calculate the spring constant.

Question 3

Pressure in a liquid depends on which of the following factors?

Question 4

Which instrument is used to measure atmospheric pressure?

Question 5

According to Archimedes' principle, upthrust is equal to the:

Question 6

The force required to keep a body moving in a circular path is called:

Question 7

A uniform meter rule is balanced at the 50cm mark. If a 2N weight is hung at the 10cm mark, where must a 4N weight be hung to balance the rule?

Question 8

"To every action, there is an equal and opposite reaction." This is:

Question 9

The period of a simple pendulum depends on its:

Question 10

A boy of mass 50kg runs up a flight of stairs 4m high in 5 seconds. Calculate his power output. (g = 10 m/s2)

Question 11

Calculate the heat needed to raise the temperature of 2kg of water from 20 to 30 degrees Celsius. (Specific heat capacity of water = 4200 J/kg/K)

Question 12

The law which relates the volume and absolute temperature of a gas at constant pressure is:

Question 13

Which instrument is used to measure relative humidity?

Question 14

Evaporation differs from boiling because evaporation:

Question 15

Water shows anomalous expansion between:

Question 16

Total Internal Reflection occurs when light travels from a:

Question 17

The power of a lens is 2.0 Dioptres. What is its focal length?

Question 18

Which of the following is a primary pigment color?

Question 19

A wave has a speed of 340 m/s and a frequency of 170 Hz. Calculate its wavelength.

Question 20

When two systems vibrate at the same natural frequency, the phenomenon is called:

Question 21

The change in the observed frequency of a wave due to relative motion is the:

Question 22

The unit of electric field intensity is:

Question 23

Two resistors of 4 ohms and 6 ohms are connected in series. What is the total resistance?

Question 24

A current of 0.5A flows through a resistor of 10 ohms. Calculate the potential difference.

Question 25

According to Faraday's first law of electrolysis, the mass of substance deposited is proportional to:

Question 26

Which of the following is a "soft" magnetic material?

Question 27

Lenz's law is a consequence of the law of conservation of:

Question 28

The process of converting alternating current to direct current is:

Question 29

The emission of electrons from a heated metal filament is called:

Question 30

A radioactive source has a half-life of 2 hours. If its initial mass is 100g, how much is left after 6 hours?

Question 31

Which of the following radiations has the highest penetrating power?

Question 32

The weight of an object is 600N on Earth. What is its weight on the Moon? (g moon = 1/6 g earth)

Question 33

The skin of a liquid acts like an elastic membrane due to:

Question 34

The internal friction between layers of a liquid is:

Question 35

Which planet is the smallest in the solar system?

Question 36

A projectile is fired with an initial velocity of 20 m/s at an angle of 30 degrees. Calculate the time of flight. (g = 10 m/s2)

Question 37

Which of the following is an example of simple harmonic motion?

Question 38

The best material for making a cooking pot is one with:

Question 39

The type of radiation that has the longest wavelength in the electromagnetic spectrum is:

Question 40

A converging mirror produces a real image when the object is placed:

Question 41

The speed of sound in air increases with an increase in:

Question 42

A man stands 170m away from a wall and claps his hands. If the speed of sound is 340 m/s, how long until he hears the echo?

Question 43

A fuse is a safety device connected in:

Question 44

A capacitor of 10 microFarads is charged to a potential of 100V. Calculate the energy stored.

Question 45

The direction of a magnetic field around a straight current-carrying wire is determined by:

Question 46

In Einstein's photoelectric equation (hf = W + K), "W" represents the:

Question 47

The sun produces its energy through the process of:

Question 48

A satellite that remains over the same spot on the Earth's surface is a:

Question 49

Which of the following is NOT a fundamental quantity?

Question 50

The dimension of Force is given by:

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