Physics Mock 2026

WASSCE style · Study mode

Physics Mock 2026

Question 1 of 50

A car travels 120 km in 2 hours. What is its average speed?

A. 30 km/h B. 60 km/h C. 120 km/h D. 240 km/h

Question 2 of 50

A body of mass 5 kg accelerates at 2 m/s². Find the resultant force on it.

A. 2.5 N B. 7 N C. 10 N D. 20 N

Question 3 of 50

Which of the following is a fundamental quantity?

A. velocity B. force C. mass D. pressure

Question 4 of 50

Newton's first law of motion is also called the law of

A. acceleration B. inertia C. action and reaction D. gravitation

Question 5 of 50

The tendency of a body to resist a change in its state of rest or motion is

A. momentum B. inertia C. friction D. impulse

Question 6 of 50

A force of 50 N acts on an area of 2 m². Find the pressure.

A. 25 Pa B. 48 Pa C. 52 Pa D. 100 Pa

Question 7 of 50

Which of the following is a vector quantity?

A. mass B. speed C. displacement D. temperature

Question 8 of 50

A resistor of 6 Ω is connected to a 12 V battery. What current flows?

A. 0.5 A B. 2 A C. 6 A D. 72 A

Question 9 of 50

The image formed by a plane mirror is

A. real and inverted B. virtual and upright C. real and magnified D. virtual and diminished

Question 10 of 50

Calculate the kinetic energy of a 2 kg ball moving at 3 m/s.

A. 3 J B. 6 J C. 9 J D. 18 J

Question 11 of 50

The dimensions of velocity are

A. LT B. LT⁻¹ C. LT⁻² D. MLT⁻¹

Question 12 of 50

A car starts from rest and accelerates uniformly at 2 m/s² for 5 s. Find its final velocity.

A. 2.5 m/s B. 7 m/s C. 10 m/s D. 25 m/s

Question 13 of 50

The area under a velocity–time graph represents

A. acceleration B. distance (displacement) C. force D. momentum

Question 14 of 50

The slope of a velocity–time graph gives the

A. distance B. acceleration C. speed D. momentum

Question 15 of 50

Find the momentum of a 1,000 kg car moving at 20 m/s.

A. 50 kg m/s B. 2,000 kg m/s C. 20,000 kg m/s D. 200,000 kg m/s

Question 16 of 50

A body starts from rest and accelerates at 4 m/s². How far does it travel in 3 s?

A. 6 m B. 12 m C. 18 m D. 36 m

Question 17 of 50

A stone is dropped from rest from the top of a building and hits the ground after 2 s. Find the height of the building.

A. 10 m B. 20 m C. 40 m D. 5 m

Question 18 of 50

A machine has a velocity ratio of 5 and an efficiency of 80%. Find its mechanical advantage.

A. 4 B. 5 C. 6.25 D. 400

Question 19 of 50

A spring stretches by 4 cm under a load of 8 N. What load will stretch it by 6 cm (within the elastic limit)?

A. 10 N B. 12 N C. 14 N D. 16 N

Question 20 of 50

How much heat is needed to raise 2 kg of water from 20 °C to 70 °C? (c = 4200 J kg⁻¹ K⁻¹)

A. 42,000 J B. 210,000 J C. 420,000 J D. 588,000 J

Question 21 of 50

The refractive index of a medium is 1.5. If the speed of light in air is 3 × 10⁸ m/s, find the speed of light in the medium.

A. 1.5 × 10⁸ m/s B. 3 × 10⁸ m/s C. 4.5 × 10⁸ m/s D. 2 × 10⁸ m/s

Question 22 of 50

Total internal reflection can occur when light travels from

A. glass into air at an angle greater than the critical angle B. air into glass C. air into water D. a vacuum into air

Question 23 of 50

A transformer has 100 turns on its primary and 500 turns on its secondary. If the primary voltage is 240 V, find the secondary voltage.

A. 48 V B. 240 V C. 1,200 V D. 12,000 V

Question 24 of 50

The half-life of a radioactive sample is 5 days. What fraction of it remains after 15 days?

A. 1/2 B. 1/3 C. 1/4 D. 1/8

Question 25 of 50

Light passes from air into glass with an angle of incidence of 60° and an angle of refraction of 30°. What is the refractive index? (sin 60° = 0.866, sin 30° = 0.5)

A. 0.58 B. 2.0 C. 1.73 D. 1.5

Question 26 of 50

Total internal reflection can happen only when light travels

A. through a vacuum B. from air into water C. along the normal D. from a denser to a less dense medium at more than the critical angle

Question 27 of 50

Light travels at 3 × 10⁸ m/s in air. What is its speed in glass of refractive index 1.5?

A. 4.5 × 10⁸ m/s B. 2 × 10⁸ m/s C. 3 × 10⁸ m/s D. 1.5 × 10⁸ m/s

Question 28 of 50

An n-type semiconductor is made by doping silicon with

A. copper B. a trivalent element such as boron C. a pentavalent element such as phosphorus D. oxygen

Question 29 of 50

In a p-type semiconductor, the majority charge carriers are

A. electrons B. holes C. protons D. neutrons

Question 30 of 50

The heat capacity of a body is the heat needed to

A. boil it B. melt 1 kg of it C. raise 1 kg of it by 1 K D. raise the temperature of the whole body by 1 K

Question 31 of 50

If the distance between two point charges is doubled, the force between them becomes

A. twice as large B. half as large C. one quarter as large D. four times as large

Question 32 of 50

In the photoelectric effect, electrons are emitted from a metal surface only when

A. the metal is cold B. the light is very bright, whatever its frequency C. the light's frequency is above the threshold frequency D. the light is red

Question 33 of 50

A ball rolls off a table 1.25 m high. How long does it take to reach the floor?

A. 0.25 s B. 0.5 s C. 1.25 s D. 2.5 s

Question 34 of 50

A wire 0.2 m long carries 4 A at right angles to a magnetic field of 0.5 T. What force acts on it?

A. 10 N B. 4 N C. 1.6 N D. 0.4 N

Question 35 of 50

A steel rod 10 m long is heated by 50 °C. The linear expansivity of steel is 1.2 × 10⁻⁵ /K. By how much does it expand?

A. 0.006 m B. 0.06 m C. 0.0006 m D. 6 m

Question 36 of 50

A converging lens has a focal length of 10 cm. An object is placed 30 cm from it. Find the image distance.

A. 7.5 cm B. 30 cm C. 20 cm D. 15 cm

Question 37 of 50

A car decelerates uniformly from 25 m/s to rest over 50 m. Its deceleration is

A. 2.5 m/s² B. 12.5 m/s² C. 0.5 m/s² D. 6.25 m/s²

Question 38 of 50

A ball thrown vertically upward returns to the thrower after 4 s (g = 10 m/s²). Its initial speed was

A. 40 m/s B. 20 m/s C. 10 m/s D. 80 m/s

Question 39 of 50

A stone is projected horizontally at 15 m/s from a cliff 45 m high (g = 10 m/s²). Its horizontal range is

A. 30 m B. 45 m C. 90 m D. 15 m

Question 40 of 50

A 5 kg block on a horizontal surface needs 20 N to move it at constant speed (g = 10 m/s²). The coefficient of friction is

A. 4 B. 0.25 C. 0.4 D. 2.5

Question 41 of 50

A force of 30 N acts at 60° to the horizontal and moves a load 10 m horizontally. The work done is

A. 30 J B. 300 J C. 260 J D. 150 J

Question 42 of 50

A rocket ejects 50 kg of gas per second at 2,000 m/s. The thrust is

A. 1,000 N B. 40 N C. 2,050 N D. 100,000 N

Question 43 of 50

The energy needed to convert 0.1 kg of water at 100 °C to steam (L = 2.26 × 10⁶ J/kg) is

A. 4.2 × 10⁴ J B. 2.26 × 10⁶ J C. 2.26 × 10⁷ J D. 2.26 × 10⁵ J

Question 44 of 50

The cubic expansivity of a solid is approximately

A. twice it B. equal to it C. three times its linear expansivity D. one-third of it

Question 45 of 50

A body moves with initial velocity 5 m/s and acceleration 2 m/s². The distance covered in the 4th second is

A. 13 m B. 36 m C. 12 m D. 21 m

Question 46 of 50

A 2 kg ball moving at 6 m/s collides head-on with a stationary 4 kg ball. If they stick together, the kinetic energy lost is

A. 36 J B. 24 J C. 12 J D. 0 J

Question 47 of 50

A screw jack has a pitch of 0.5 cm and a handle of radius 35 cm. Its velocity ratio is (π = 22/7)

A. 220 B. 70 C. 440 D. 110

Question 48 of 50

A uniform plank 4 m long weighing 200 N rests on a pivot 1 m from one end. What load at that end balances it?

A. 400 N B. 200 N C. 100 N D. 600 N

Question 49 of 50

A 0.5 kg copper block at 100 °C is dropped into 0.2 kg of water at 20 °C. Ignoring losses, the final temperature is about (c(Cu) = 400, c(water) = 4,200 J/kg K)

A. 60 °C B. 50 °C C. 35 °C D. 25 °C

Question 50 of 50

A gas at 27 °C and 100 kPa is heated at constant volume to 127 °C. Its new pressure is

A. 470 kPa B. 133 kPa C. 200 kPa D. 79 kPa

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.