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) 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. 5.7 m / s

2. 16 m / s

3. 8.0 m / s

4. 6.0 m / s

2 / 40

2) 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. into the paper

2. out of the paper

3. to the left

4. to the right

3 / 40

3) The diagram shows two insulated wires, P and Q, each with the same amount of current flow.

Which region A, B, C or D has the strongest magnetic field out of the paper?

1. B

2. C

3. A

4. D

4 / 40

4) In the circuit shown, the resistance of R1 R2, and R3 are all equal to 3.0 Ω.

What is the power dissipated by R2?

1. 6.0 W

2. 9.0 W

3. 3.0 W

4. 12 W

5 / 40

5) 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. amplitude

3. wavelength

4. period

6 / 40

6) Which of the following shows the outcome of installing the fuse in the neutral wire?

1. The filament in the fuse will not melt when excessive current flows, and the device will be disconnected from high electric potential.

2. The filament in the fuse will melt when excessive current flows, and the device will still be connected to high electric potential.

3. The filament in the fuse will melt when excessive current flows, and the device will be disconnected from high electric potential.

4. The filament in the fuse will not melt when excessive current flows, and the device will still be connected to high electric potential.

7 / 40

7) A parachutist falls from a stationary balloon at time t = 0 s. The velocity-time graph for the parachutist from time t = 0 s until the time when he is just above the ground is shown.

1. C

2. D

3. B

4. A

8 / 40

8) 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. C

2. D

3. A

4. B

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9) Electricity is transmitted over large distances through high-voltage power cables running alternating current. What are the advantages of using high-voltage cables and alternating current?

1. C

2. B

3. D

4. A

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10) A wire has a resistance of 8.0 Ω. A second wire, made of the same material, has double the length and half the thickness.

What is the resistance of the second wire?

1. 64 ohms

2. 8 ohms

3. 16 ohms

4. 32 ohms

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11) Alpha, beta and gamma radiations have various depths of penetration in matter and different charges.

Which row best summarises the penetration and charge of each radiation?

1. C

2. A

3. B

4. D

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12) 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. 0.82 m

2. 82 m

3. 68 m

4. 0.68 m

13 / 40

13) 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. to the left of the page

2. into the page

3. to the right of the page

4. out of the page

14 / 40

14)

1. B

2. C

3. A

4. D

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15) The diagram shows the rest position of a balancing toy near the edge of a table. Which position is most likely to be the center of gravity of the toy?

1. A

2. C

3. D

4. B

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16) 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. 0.0067 J/(kg oC)

2. 0.40 J/(kg oC)

3. 400 J/(kg oC)

4. 6.7 J/(kg oC)

17 / 40

17) Ultrasound is high-pitched and cannot be heard by human ears. However, ultrasound has many uses.

Which of the following is/are the correct use/s of ultrasound?

(1) Checking for cracks or damages in materials.

(2) Medical scanning of organs and tissues.

(3) Radar systems used by air traffic controllers to detect the location of an aeroplane.

1. (1) and (3) only

2. (1) only

3. (2) only

4. (1) and (2) only

18 / 40

18) 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. 100 N

2. 900 N

3. 600 N

4. 1000 N

19 / 40

19) 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. 672 N

2. 636 N

3. 36 N

4. 564 N

20 / 40

20) 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 thermistor

2. a variable resistor

3. a relay

4. a transformer

21 / 40

21) The diagram shows a transverse wave travelling along a rope at the time t = 0 s. A point on the rope is labelled X.

The period of the wave is 5.0 s.

1. C

2. B

3. A

4. D

22 / 40

22) 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. 48 m

2. 12 m

3. 24 m

4. 6.0 m

23 / 40

23) Nuclear fusion is a reaction that can take place in the sun.
Which row describes this reaction?

1. A

2. C

3. D

4. B

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24) 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 speed of sound at the original location is 1.5 times as fast as at the new 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 1.5 times as deep as the original location.

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

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. 30 oC

2. 15 oC

3. 20 oC

4. 60 oC

26 / 40

26) A 5.0 W lamp is switched on for 180 s. It transfers 600 J to the internal store (thermal) of the surroundings. What is the efficiency of the lamp?

1. 33 %

2. 67 %

3. 70 %

4. 43 %

27 / 40

27) 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. 2.2 kW

2. 64 kW

3. 160 kW

4. 1.6 kW

28 / 40

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

1. 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.

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

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

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

29 / 40

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

1. difficult to magnetise and retains magnetic strength

2. difficult to magnetise and easy to demagnetise

3. easy to magnetise and retains magnetic strength

4. easy to magnetise and easy to demagnetise

30 / 40

30) Which of the following best explains why nuclear fission does not take place easily?

1. Energy is required to overcome the repulsion between the neutrons of the atoms involved in nuclear fission.

2. Energy is required to overcome the repulsion between electrons of the atoms involved in nuclear fission.

3. Energy is required to overcome the repulsion between the neutrons and the protons of the atoms involved in nuclear fission.

4. Energy is required to overcome the repulsion between the protons of the atoms involved in nuclear fission.

31 / 40

31) 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. D

2. B

3. A

4. C

32 / 40

32) The graph shows the total resistive force that acts on a car of mass 830 kg over a period of time. The car is at rest at t = 0 s. A constant driving force of 2500 N acts on the car from t = 2 s to t = 24 s.

Which statement is incorrect?

1. The car is stationary from t = 0 s to t = 2 s.

2. The acceleration of the car is zero after t = 16 s.

3. The acceleration of the car is 3.0 m/s2 at t = 2 s.

4. The resultant force acting on the car increases from t = 2 s to t = 16 s.

33 / 40

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

1. C

2. D

3. A

4. B

34 / 40

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

1. C

2. A

3. D

4. B

35 / 40

35) A ray of light passes from glass to air. In glass, the speed of light is 1.8 × 10^8 m/s.

What is the critical angle for light passing from glass to air?

1. 30 degrees

2. 37 degrees

3. 42 degrees

4. 18 degrees

36 / 40

36) Wiping the body of a patient who has a high fever with a wet towel makes use of the cooling effect of evaporation. When liquid evaporates, some liquid molecules in the liquid escape.

Which molecules in the liquid escape?

1. the molecules at the surface of the liquid with less energy than others

2. the molecules at the bottom of the liquid with more energy than others

3. the molecules at the surface of the liquid with more energy than others

4. the molecules at the bottom of the liquid with less energy than others

37 / 40

37) 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. momentarily from X to Y

4. continuously from Y to X

38 / 40

38) A parachutist jumps off a plane. After 1.0 min, he opens the parachute and his velocity decreases at a decreasing rate. The following statements are possible explanations why the velocity of the parachutist decreases at a decreasing rate.

(I) The velocity decreases as such the air resistance acting on the parachute decreases.

(II) The tension exerting on the parachutist decreases.

(III) The force of the parachute acting on the air increases.

Which of the above statements is/are correct?

1. (II) only

2. (I) only

3. (III) only

4. (I) and (II) only

39 / 40

39) 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. Leakage of air into the tube.

3. Adding mercury to the trough.

4. Change in gravitational field strength.

40 / 40

40) 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. 5.0

2. 18

3. 3.0

4. 7.2

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.