O Levels Physics Mcq Simulation

This is a simulation for your MCQ physics paper.

The Actual paper is 40 questions and 1 hour long.

You will only have 50 minutes for this simulation. 40 minutes to do and 10 minutes to check your work.

Times up!

O level Pure physics

1 / 40

1) An observer hears a clap of thunder 3.0 s after seeing the flash of lightning. The speed of sound in air is 330 m/s.

How far from the observer was the lightning?

1. 990 m

2. 1980 m

3. 330 m

4. 110 m

2 / 40

2) A water wave travels from deep water to shallow water in a ripple tank as shown in the diagram.

Waves in the deep water have a wavelength of 3.6 cm and a speed of 18 cm /s.

The speed of the waves in shallow water is 15 cm / s. What is the wavelength of the waves in the shallow water?

1. 3.0 cm

2. 4.3 cm

3. 3.6 cm

4. 5.0 cm

3 / 40

3) An image is formed in a plane mirror.

1. A

2. C

3. D

4. B

4 / 40

4) A box of mass 2.0 kg is pushed along a 12 m ramp with a force F of 15.0 N and accelerates from point P to point Q. The speed of the box is 2.0 m / s at P and the average frictional force acting on the box is 4.0 N throughout the motion. The gravitational field strength is 10 N / kg.

What is the speed of the box at point Q?

1. 16 m / s

2. 5.7 m / s

3. 8.0 m / s

4. 6.0 m / s

5 / 40

5) What is the function of the earth wire?

1. It is a high resistance wire to reduce the amount of current to a safe level.

2. It provides an alternative path for current to flow if a wiring fault occurs.

3. It allows excessive charges to be stored to conserve energy

4. It closes the circuit so current may flow to operate a device.

6 / 40

6) Waves in the electromagnetic spectrum have different uses.

Which uses of the electromagnetic spectrum are incorrect?

1 . X-rays are used for prenatal scanning of the foetus.

2. Infra-red radiation is used in suntanning beds.

3. Microwaves are used in wireless telecommunications.

1. 1 and 2 only

2. 2 and 3 only

3. 1, 2 and 3

4. 1 and 3 only

7 / 40

7) A magnet is pushed slowly into a coil, and there is a current in the coil in the direction shown.

The magnet is then pulled out quickly from the same end of the coil.

What happens to the direction and the size of the current?

1. D

2. A

3. B

4. C

8 / 40

8) A current of 4.5 A flows through the electrical components of a refrigerator when connected to a source of 240 V. It costs $0.35 for 1 kW h of electrical energy.

How much will it cost to keep the refrigerator running for 1 week?

1. $0.05

2. $2.25

3. $63.50

4. $378

9 / 40

9) Which instrument is most suitable for measuring the internal diameter of a pipe?

1. manometer

2. digital micrometer

3. measuring cylinder

4. digital calipers

10 / 40

10) The ends of three metal rods are tested by holding end Q of rod 1 close to each end of rods 2 and 3.

The results are as follows:

End Q attracts end R.

End Q attracts end S.

End Q attracts end T.

End Q repels end U.

Which of the metal rods is a magnet?

1. rod 1 only

2. rod 2 only

3. rod 2 and rod 3 only

4. rod 1 and rod 3 only

11 / 40

11) The diagram shows a network of resistors. Each resistor has a resistance of 6.0 Ω.

What is the total resistance of the network between points X and Y?

1. 7.2

2. 18

3. 3.0

4. 5.0

12 / 40

12) James stands at a point J between two parallel walls as shown in the diagram below and fires a pistol.

He hears the first echo after 0.40 s and the second echo after 1.0 s.

How long after firing the pistol will James hear the third echo?

1. 2.8 s

2. 2.0 s

3. 0.8 s

4. 1.4 s

13 / 40

13) A drone moves eastwards and arrives at a point due east of its starting point.

The drone has a speed of V in still air.

A wind of speed W is blowing from north to south, affecting the drone.

Which diagram correctly represents the resultant velocity, R, of the drone?

1. B

2. C

3. D

4. A

14 / 40

14) The diagram below shows a manometer.

What is the pressure of the enclosed air in the manometer?

1. 550 mmHg

2. 80 mmHg

3. 200 mmHg

4. 120 mmHg

15 / 40

15) A solid of 2.0 kg is heated by a 2000 W heater. The graph of temperature against time for the substance is shown in the diagram.

What is the specific latent heat of fusion of the solid?

1. 30 kJ / kg

2. 2.0 kJ / kg

3. 300 kJ / kg

4. 150 kJ / kg

16 / 40

16) The following circuit is set up

What is the reading on the ammeter?

1. 1.5 A

2. 0.9 A

3. 0.33 A

4. 3.0 A

17 / 40

17) A rubber ducky is released from the bottom of a pool of water. Almost immediately, it rises at a constant speed to reach the surface of the water. Which of the following best describes the resultant force acting on the rubber ducky?

1. upwards and less than the rubber ducky’s weight

2. zero

3. upwards and equal to the rubber ducky’s weight

4. upwards and greater than the rubber ducky’s weight

18 / 40

18) The diagram shows a simple A.C generator, consisting of a coil of wire WXYZ placed in between two magnets.

1. B

2. A

3. D

4. C

19 / 40

19) The diagram below shows light travelling from water and undergoing refraction.

1. C

2. D

3. B

4. A

20 / 40

20) The diagram below shows the plug of an old electric iron wired wrongly.

What happens when the electric iron is plugged into the electrical socket?

1. The metal case becomes live.

2. The fuse in the plug blows.

3. The electric iron does not work.

4. The electric iron catches fire.

21 / 40

21) The half-life of a certain radioactive element is such that 7/8 of a given quantity decays in 12 days.

What fraction remains undecayed after 24 days?

1. 1/128

2. 1/16

3. 1/32

4. 1/64

22 / 40

22) A solar panel is used to recharge a battery. The solar panel produces 0.80 W of electrical
power. The panel is 20% efficient.

What is the power input of the sunlight onto the solar panel?

1. 0.16 W

2. 16 W

3. 4 W

4. 8 W

23 / 40

23) The acceleration of free fall on a particular planet is 8.0 m s-2. An object was dropped from rest and hit the ground after 1.5 s.

Air resistance is negligible.

From what height was the object dropped?

1. 6.0 m

2. 12.0 m

3. 18.0 m

4. 9.0 m

24 / 40

24) Which of the following best describes the conventional current and its unit?

1. It is the rate of flow of positive charges and its unit is the coulomb.

2. It is the rate of flow of negative charges and its unit is the coulomb.

3. It is the rate of flow of negative charges and its unit is the ampere.

4. It is the rate of flow of positive charges and its unit is the ampere.

25 / 40

25) A block of gold of mass m has a specific heat capacity of c. A block of copper of mass 2m has a specific heat capacity of 3c. Both metals receive the same quantity of heat and the temperature of the copper rises by 10 °C.

What is the temperature rise of the gold block?

1. 60 oC

2. 15 oC

3. 20 oC

4. 30 oC

26 / 40

26) Which statement about the transfer of thermal energy is correct?

1. Transfer in solids is by means of density changes in the material.

2. Transfer is from a region of lower temperature to one of higher temperature.

3. Transfer by radiation does not require a medium.

4. Transfer upwards in fluids is mainly through the vibrations of neighbouring particles.

27 / 40

27) A beam of electrons moves in a straight path through a magnetic field with an initial velocity, v. The electrons are deflected as shown.

What is the direction of the magnetic field?

1. out of the paper

2. to the left

3. to the right

4. into the paper

28 / 40

28) A crate of oranges is pulled across a rough surface by a force, causing the crate to accelerate
at 1.5 m/s2. The combined mass of the crate and oranges is 24 kg.

1. C

2. B

3. A

4. D

29 / 40

29) A 3-pin plug is connected to a heater with a rating of ‘200V, 1200 W’.

Which of the following is/are correct?

1 . A 5A fuse should be used inside the heater.

2 . The fuse should be placed on the brown wire of the cable.

3 . The neutral wire should be connected to the metal case of the heater.

1. 1 and 2 only

2. 2 only

3. 3 only

4. 2 and 3 only

30 / 40

30) The figure shows an iron bar P and steel bar Q being wound by wire and connected to a d.c. supply. A compass is placed between the two metal bars at position X.

1. D

2. C

3. B

4. A

31 / 40

31) A metal rod AB is placed on two smooth horizontal metal rails on the bench. The rail and the rod are subjected to an external magnetic field. The top view of the setup is shown below.

When switch S is closed, in which direction will rod AB move?

1. into the page

2. to the right of the page

3. out of the page

4. to the left of the page

32 / 40

32) A pulse of sound is transmitted vertically downward from the bottom of a stationery ship, and the time taken for its echo to be detected back at the ship is recorded. The ship repeats this process at another location. The new time recorded is 1.5 times as long as the time taken at the first location.

Which of the following is correct?

1. The depth at the new location is 1.5 times as deep as the original location.

2. The speed of sound at the original location is 0.75 times as fast as at the new location.

3. The depth at the new location is 0.75 times as deep as the original location.

4. The speed of sound at the original location is 1.5 times as fast as at the new location.

33 / 40

33) A gas is heated in a rigid sealed container. Which quantity does not change?

1. The frequency of collisions on the walls of the container by the gas particles.

2. The average force exerted on the walls of the container by the gas particles.

3. The average speed of the gas particles.

4. The average distance between the gas particles.

34 / 40

34) Which of the following statements (s) is/are true for an object being heated?

I. Its temperature always increases.

II. Energy in the internal store always increases.

III. Energy in the internal and potential stores cannot increase at the same time.

1. II and III only

2. II only

3. I and II only

4. All of the above

35 / 40

35) The diagram shows two buoys P and Q sitting on a pond. A wave moves across the pond from left to right.

At the moment shown, buoy Q is at the crest and buoy P is at the trough. Which row describes the movement of the buoys during the next cycle of the wave?

1. D

2. B

3. C

4. A

36 / 40

36) Light in a vacuum strikes a glass surface at an angle of incidence of 42 °. In the glass, the angle of refraction is 29 °.

What is the speed of light in glass?

1. 2.2× 10^8 m / s

2. 2.1 × 10^8 m / s

3. 3.0 × 10^8 m / s

4. 4.1 × 10^8 m / s

37 / 40

37) A plastic tube is immersed in a liquid of refractive index 1.4. Light travelling in the plastic tube strikes the inside surface at an angle of incidence of 70°. The light undergoes total internal reflection.

1. A

2. B

3. D

4. C

38 / 40

38) A loudspeaker and a microphone are placed side by side in front of a wall. The loudspeaker makes a sound that is detected by the microphone. The microphone is connected to a device known as an oscilloscope, which is set so that each horizontal division on its screen represents a duration of 0.01 s. The microphone detects the original sound and the echo.

The speed of sound in air is 300 m/s.

What is the distance between the loudspeaker and the wall?

1. 24 m

2. 48 m

3. 6.0 m

4. 12 m

39 / 40

39) In the circuit shown, R1 and R2 are identical resistors.

Which changes to the electrical components X and Y will increase the reading of the ammeter by the greatest amount?

1. A

2. B

3. D

4. C

40 / 40

40) The diagram shows a permanent magnet approaching a solenoid at a constant speed.

1. B

2. C

3. D

4. A

Your score is

The average score is 14%

Physics MCQ Paper 1 now carries a 30% weightage under the current syllabus.
This is a significant portion that can easily impact your final grade by 2–3 bands. To maximise your score, aim for full marks by doing plenty of targeted practice. It might make the difference between A1 and A2.

Never underestimate the difficulty of multiple-choice questions — they are often designed to test your precision and attention to detail. Always check your answers carefully, manage your time wisely, and stay alert for tricky questions.

How are the questions being set?

-Knowledge with Understanding, approximately 45% of the marks with approximately 15% allocated to recall.

-Handling Information and Solving Problems, approximately 55% of the marks.