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, 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. D

3. C

4. B

2 / 40

2) The diagram below shows a simple d.c. motor

Which of the following statements is/are correct?

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

II. The coil will rotate in a clockwise direction about the axle.

III. The split-ring commutator will reverse the direction of the current every 360°.

1. II and III only

2. I and III only

3. I and II only

4. I only

3 / 40

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

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

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

3. Transfer by radiation does not require a medium.

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

4 / 40

4) The input power to a motor is 300 W. In 20 s, it lifts a load through a height of 6.0 m.

The efficiency of the motor is 60%.

What is the weight of the load?

1. 900 N

2. 1000 N

3. 600 N

4. 100 N

5 / 40

5) A small coil is connected to a galvanometer as shown below.

When the magnet is allowed to move towards the coil, which of the following statements
shows the current flow?

1. momentarily from Y to X

2. continuously from X to Y

3. continuously from Y to X

4. momentarily from X to Y

6 / 40

6) The pressure inside a gas cylinder is measured separately using two different mercury
manometers as shown in Fig. P and Q. One of the manometers has an open end while the other has a sealed end.
A barometer, as shown in Fig. R, is used to measure the atmospheric pressure at the location of the experiment.

The diagrams are not drawn to scale.
What is the height, h, of the mercury in Fig. Q?

1. 800 mm

2. 720 mm

3. 1000 mm

4. 40 mm

7 / 40

7) An image is formed in a plane mirror.

1. A

2. C

3. D

4. B

8 / 40

8) Which properties make materials suitable for use as a core in an electromagnet?

1. easy to magnetise and retains magnetic strength

2. easy to magnetise and easy to demagnetise

3. difficult to magnetise and easy to demagnetise

4. difficult to magnetise and retains magnetic strength

9 / 40

9) A block of wood of mass 2.0 kg is pushed along the horizontal flat surface of a bench with a force of 4.0 N. It moves at constant speed. When the pushing force is increased to 12 N, what is the acceleration of the block?

1. 4.0m/s^2

2. 8.0m/s^2

3. 6.0m/s^2

4. 0m/s^2

10 / 40

10) The circuit diagram shows a 2.0 Ω resistor connected in series with a parallel arrangement of a 2.0 Ω resistor and a 5.0 Ω resistor.

The current flowing through the 5.0 Ω resistor is 1.0 A. What is the reading on the voltmeter?

1. 7.0 V

2. 10 V

3. 12 V

4. 17 V

11 / 40

11) A magnetic field is produced when a current flows through a straight wire XY. Which of the following correctly shows the magnetic field pattern produced by wire XY?

1. B

2. D

3. C

4. A

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12) The gravitational field strength on Earth is 9.8 N/ kg. The gravitational field strength on Mars is 3.7 N/ kg. The difference between the weight of an object on Earth and the weight of the same object on Mars is 25 N.

What is the mass of the object?

1. 2.6 kg`

2. 4.1 kg

3. 1.9 kg

4. 6.8 kg

13 / 40

13) 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. Water is a poor conductor of heat.

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

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

14 / 40

14) Electromagnetic waves from the Sun are absorbed by a solar panel. These waves transfer energy electrically to a portable traffic light system.

A few solar panels with a total area 12 m2 were used to operate the traffic light system. 1.0 m2 of a panel receives 0.85 kJ of energy via electromagnetic waves from the Sun in 1.0 s.

If the efficiency of the panels is 16 %, how much power do they transfer electrically?

1. 160 kW

2. 1.6 kW

3. 64 kW

4. 2.2 kW

15 / 40

15) 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. between F and Q

4. at Q

16 / 40

16) A force of 400 N is applied on a crate of weight 500 N along a ramp as shown in the diagram. The crate moves a distance of 5.0 m at constant speed.

1. C

2. A

3. D

4. B

17 / 40

17) 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. 3.0 × 10^8 m / s

2. 2.1 × 10^8 m / s

3. 2.2× 10^8 m / s

4. 4.1 × 10^8 m / s

18 / 40

18) 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. A

2. B

3. D

4. C

19 / 40

19) A water wave moves from deep water to shallow water. Its speed decreases in shallow water. Which statement correctly describes the frequency and wavelength of the wave in the shallow water?

1. Both frequency and wavelength decrease.

2. Frequency remains unchanged while wavelength decreases.

3. Frequency decreases while wavelength remains unchanged.

4. Both frequency and wavelength remain unchanged.

20 / 40

20) A boy climbs slowly at a steady speed to the top of a small hill.

What is the main energy transfer taking place for the boy as he climbs?

1. internal store to kinetic store

2. chemical potential store to kinetic store

3. chemical potential store to gravitational potential store

4. kinetic store to gravitational potential store

21 / 40

21) 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 fall from 30 V to 5 V

2. a rise from 5 V to 20 V

3. a fall from 20 V to 5 V

4. a rise from 5 V to 30 V

22 / 40

22) The diagram below shows a manometer.

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

1. 200 mmHg

2. 120 mmHg

3. 80 mmHg

4. 550 mmHg

23 / 40

23) A gas supply is connected to a mercury barometer. The same gas supply is then connected to a water barometer.

The density of mercury is 13 600 kg / m3 and the density of water is 1000 kg / m3. What is the value of h?

1. 82 m

2. 0.82 m

3. 68 m

4. 0.68 m

24 / 40

24) The diagram shows two divergent rays of light from an object O being reflected from a plane mirror. At which position is the image formed?

1. A

2. B

3. D

4. C

25 / 40

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

1. B

2. D

3. C

4. A

26 / 40

26) An electric heater which is rated ‘240 V, 1500 W’ is connected to a 3-pin socket. Which of the following correctly describes the current in the neutral wire and the potential difference between the earth and neutral wire during normal operation?

1. D

2. A

3. B

4. C

27 / 40

27) A transverse wave is produced on a rope. The diagram shows the rope at one instant. The wave travels at a speed of 4.0 m/s.

What are the wavelength and the frequency of the wave?

1. D

2. A

3. B

4. C

28 / 40

28) A girl pulls a 40 kg block up a smooth 30° inclined plane. The inclined plane is 10 m long and the block is pulled from the bottom of the inclined plane to the top in 40 s. Take g to be 10 N/kg.

What is the average useful power output of the girl?

1. 50W

2. 5W

3. 10W

4. 100W

29 / 40

29) A detector of ionising radiation gives a background reading of 20 counts/minute.
A radioactive isotope with a half-life of 2.0 days is brought near to the detector. The reading on the detector increases to 100 counts/minute.
How long does it take for the reading on the detector to decrease to 40 counts/minute?

1. 4.0 days

2. 5.0 days

3. 2.0 days

4. 10 days

30 / 40

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

1. B

2. C

3. A

4. D

31 / 40

31) A piece of metal is heated, and its mass and volume are measured to determine how its density changes with temperature.

Which of the following graphs shows the relationship between the density of the substance and temperature?

1. C

2. B

3. A

4. D

32 / 40

32) 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. I and II only

2. II only

3. All of the above

4. II and III only

33 / 40

33) Alex is jogging at constant speed beside a road. He sees the traffic lights in front of him turn amber, so he begins to jog at a lower constant speed. Which distance-time graph illustrates Alex’s motion?

1. D

2. B

3. A

4. C

34 / 40

34) 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. C

4. D

35 / 40

35) 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 ampere.

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

36 / 40

36) A plotting compass is used to trace the magnetic field lines around a bar magnet

1. B

2. A

3. C

4. D

37 / 40

37) A computer engineer wants the speed of a fan to increase when the temperature inside a computer increases. The engineer knows that a larger current causes the fan to turn more quickly.

Which component should be placed at X to make this happen?

1. a relay

2. a thermistor

3. a variable resistor

4. a transformer

38 / 40

38) The displacement–time graph for an air particle in the path of a sound wave is shown.

Which property of the sound wave must be increasing?

1. frequency

2. period

3. amplitude

4. wavelength

39 / 40

39) 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 equal to the rubber ducky’s weight

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

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

4. zero

40 / 40

40) 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. 17 m/s

3. 11 m/s

4. 10 m/s

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.