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) In the circuit shown below, two resistors R1 and R2, a motor M and lamp L are connected to a suitable voltage supply.

1. The motor uses the greatest amount of electrical energy per unit time.

2. The resistance of R1 is twice the resistance of R2.

3. If the motor is removed from the circuit and replaced with a wire, the current through each component would be two times the existing value.

4. The lamp has the least amount of current passing through compared to other components.

2 / 40

2) 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. A

2. C

3. D

4. B

3 / 40

3) The diagram shows a water wave traveling towards the right.

Which of the following statements is not correct?

I. Particles at X and W are in phase.

II. Particle at X will move to W after a period.

III. Particle at Z will move up in the next instant.

IV. Wavelength of the wave is represented by XY.

1. all the above

2. I and III only

3. I, II and IV only

4. II and IV only

4 / 40

4) 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. 150 kJ / kg

4. 300 kJ / kg

5 / 40

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

1. digital calipers

2. manometer

3. digital micrometer

4. measuring cylinder

6 / 40

6) A combined bathroom unit of a heater and a lamp is controlled by one switch. The unit contains a 2 kW heater and a 100 W lamp. In one week, the lamp uses 1 kWh of electrical energy.

How much electrical energy is used by the heater alone?

1. 20 kWh

2. 4 kWh

3. 2 kWh

4. 10 kWh

7 / 40

7) Two identical beakers contain the same mass of liquid.
Each beaker contains a different liquid.

Liquid Q has a density ρ.
What is the density of liquid P

1. 9ρ

2. ρ ÷ 3

3. 3ρ

4. ρ

8 / 40

8) 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. 5.0 cm

4. 3.6 cm

9 / 40

9) The diagram shows an object on the principal axis of a converging (convex) lens. F is the principal focus of the lens.

Where is the image formed by the lens?

1. between F and O

2. to the right of Q

3. at Q

4. between F and Q

10 / 40

10) The diagram shows a simple d.c. electric motor.

When the switch is closed, which of the following statements is correct?

I. A current will flow round the coil in the direction PQRT.

II The coil will rotate in a clockwise direction when viewed from side PT.

III The split-ring commutator reverses the current after every complete cycle.

1. III only

2. I only

3. II and III

4. I and III

11 / 40

11) An experiment is carried out as shown in the diagram.

The ice takes a long time to melt, even though the water at the top of the boiling tube is boiling. Which statement best explains this?

1. The wire gauze prevents energy transferred by heating from reaching the ice.

2. Cold water at the top of the boiling tube sinks to the bottom.

3. Water is a poor conductor of heat.

4. Hot water at the bottom of the boiling tube rises to the top.

12 / 40

12) A ball is dropped from the top of a 125 m tall building.

What is the time it takes to fall to the ground? Take g to be 10 m/s2.

1. 1.25 s

2. 0.325 s

3. 10.00 s

4. 5.00 s

13 / 40

13) The diagram shows the speed-time graph of a moving object over a period of 50 s.

What is the average speed of the object when it is decelerating?

1. 12 m/s

2. 10 m/s

3. 11 m/s

4. 17 m/s

14 / 40

14) The diagram shows a manometer containing mercury that is sealed at one end.

What happens to the height h when the manometer is taken to the top of a mountain?

1. It decreases, because atmospheric pressure increases.

2. It decreases, because atmospheric pressure decreases.

3. It increases, because atmospheric pressure increases.

4. It increases, because atmospheric pressure decreases.

15 / 40

15) A stone has a mass of 390 g and a density of 2.7 g/cm3. Cooking oil has a density of 0.90 g/cm3.

Which mass of cooking oil has the same volume as the stone?

1. 130 g

2. 160g

3. 900g

4. 1200g

16 / 40

16) A light dependent resistor (LDR) and a 500 Ω resistor form a potential divider between voltage lines held at +30 V and 0 V as shown in the diagram. The resistance of the LDR is 1000 Ω in the dark but drops to 100 Ω in bright light.

What is the corresponding change of potential difference between X and Y when the LDR is placed in a dark room and then move to a bright room?

1. a rise from 5 V to 20 V

2. a fall from 30 V to 5 V

3. a fall from 20 V to 5 V

4. a rise from 5 V to 30 V

17 / 40

17) A hot metal plate is placed near to a cold metal plate.

Which row shows the colour for the hot plate and for cold plate that causes the temperature of cold plate to increase most slowly?

1. A

2. D

3. B

4. C

18 / 40

18) A 0.30 kW heater is used to heat a well-insulated 3.0 kg mass of copper for 5 minutes.

The temperature rises by 75 oC.

What is the specific heat capacity of copper?

1. 0.40 J/(kg oC)

2. 6.7 J/(kg oC)

3. 0.0067 J/(kg oC)

4. 400 J/(kg oC)

19 / 40

19) The diagram shows the distance-time graph of a moving object.

Which of the following describes this moving object?

1. It is a ball thrown vertically upwards and falling back to the thrower.

2. It is a car that starts from rest and speeds up as it moves away from a traffic signal.

3. It is a rock that is dropped from a high cliff and falling into the sea below

4. It is a train slowing down and coming to a stop at a train station.

20 / 40

20) 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. $378

2. $2.25

3. $63.50

4. $0.05

21 / 40

21) A gymnast of mass 60 kg lands on a trampoline. If he rebounds upwards with an acceleration of 0.60 m/s^2, what is the maximum force exerted by the trampoline on the gymnast?

1. 564 N

2. 636 N

3. 36 N

4. 672 N

22 / 40

22) The diagram shows an ideal transformer. An alternating current supply of 100 V is supplied to the primary coil and a current of 0.50 A flows through it.

1. A

2. B

3. C

4. D

23 / 40

23) The diagram shows an a.c. generator.

1. C

2. B

3. A

4. D

24 / 40

24) 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. C

3. B

4. D

25 / 40

25) 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. B

2. D

3. C

4. A

26 / 40

26) The diagram represents the surface of a transparent liquid. Two rays of light are travelling within the liquid. They both reach the surface. The path of each ray is shown.

What is the refractive index of this liquid?

1. 1.3

2. 1.2

3. 1.6

4. 1.7

27 / 40

27) Which graph represents the motion of a body falling vertically that reaches a terminal speed?

1. B

2. D

3. A

4. C

28 / 40

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

1. C

2. A

3. B

4. D

29 / 40

29) In a nuclear power station, energy released from nuclear reactions are harnessed to produce electricity. Which statement about the reactors in a nuclear power plant is correct?

1. A nuclear reaction may be initiated when a proton bombards a heavy nucleus, causing more protons to be released in a chain reaction.

2. Nuclear reactors make use of reactions where heavy nuclei decay into smaller nuclei.

3. The reactions are easily controlled and no harmful substances are produced in a nuclear reaction.

4. Large amount of radioactive substances are required to produce a small amount of electricity.

30 / 40

30) The diagram shows a working barometer. Which of the following would not cause the height h of the mercury column to vary?

1. Change in the temperature.

2. Adding mercury to the trough.

3. Leakage of air into the tube.

4. Change in gravitational field strength.

31 / 40

31) 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. B

2. D

3. C

4. A

32 / 40

32) A thin converging lens has a focal length of 5.0 cm. An object is placed on the principal axis, 2.0 cm away from the lens.

What type of image is formed by the lens?

1. virtual and inverted

2. virtual and upright

3. real and upright

4. real and inverted

33 / 40

33) A resultant force acts on an object and causes it to move in a straight line. The graph shows how the resultant force varies with time.

1. A

2. D

3. C

4. B

34 / 40

34) In the circuit shown, the battery has an electromotive force (e.m.f.) of 6.0 V and negligible internal resistance. The three resistors each have resistance R.

The total power dissipated in the resistor network is 24 W. What is the value of R?

1. 1.5 ohms

2. 0.5 ohms

3. 1.0 ohms

4. 2.3 ohms

35 / 40

35) An electron is placed at the point N in the electric field as shown below where point N is the centre of two identical positive charges.

What is the motion of the electron?

1. moves downwards

2. moves out of the plane of paper

3. does not move

4. moves upwards

36 / 40

36) Which graph shows the total external pressure acting on a submarine at different depths below the surface of the sea?

1. C

2. B

3. A

4. D

37 / 40

37) The potential difference across a metal wire is kept constant. The length l and the diameter d of the wire are both varied. The type of metal is kept the same. How is the resistance of the wire related to l and d?

1. It is directly proportional to l and inversely proportional to d2.

2. It is inversely proportional to l and directly proportional to d.

3. It is directly proportional to l and inversely proportional to d.

4. It is inversely proportional to l and directly proportional to d2.

38 / 40

38) 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. upwards and equal to the rubber ducky’s weight

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

4. zero

39 / 40

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

1. Transfer by radiation does not require a medium.

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

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

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

40 / 40

40) 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. 30 oC

4. 20 oC

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.