Exam Body

Year

Subject

Paper Type

UTME 2022 Physics | Objective

Are you preparing for UTME exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2022 Physics (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1

A carpenter on top of a roof 20.0 m high dropped a hammer of mass 1.5 kg and it fell freely to the ground. The kinetic energy of the hammer just before hitting the ground is [g = \( 10 ms^{-2} \)]

Correct A. 300 J

B. 450 J

C. 600 J

D. 150 J

Correct Answer: A

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Question 2

The diagram above shows two vectors at right angles to each other. The value of the resultant vector is

A. 12.0 N

B. 13.0 N

C. 14.0 N

Correct D. 10.0 N

Correct Answer: D

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Question 3

The diagrams above show the positions of a cone. The position which can be described as neutral equilibrium is represented as

A. Y and Z

B. Y and X

Correct C. Z only

D. X only

Correct Answer: C

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Question 4

The angle of deviation of light of various colours passing through a triangular prism is in the order

Correct A. red → green → blue

B. green → violet → blue

C. blue → red → green

D. blue → green → red

Correct Answer: A

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Question 5

From the diagram above, calculate the incident angle i.

A. 49°

B. 41°

C. 35°

Correct D. 61°

Correct Answer: D

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Question 6

If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively, calculate the angular magnification of the microscope.

A. 2

B. 3

C. 11

Correct D. 28

Correct Answer: D

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Question 7

The quantity of heat needed to raise the temperature of a body by 1 K is the body's

A. internal energy

B. specific heat capacity

C. latent heat of fusion

Correct D. heat capacity

Correct Answer: D

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Question 8

The temperature at which the water vapour present in the air is just sufficient to saturate the air is

A. ice point

B. saturation point

Correct C. dew point

D. boiling point

Correct Answer: C

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Question 9

DATA - D1

[Speed of sound in air = 340 \( ms^-1\)]

A boy receives the echo of his clap reflected by a nearby hill 0.8 s later. How far is he from the hill?

A. 66 m

Correct B. 136 m

C. 264 m

D. 528 m

Correct Answer: B

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Question 10

Which of the following characteristics of a wave is used in the measurement of the depth of the sea?

A. Diffraction

Correct B. Reflection

C. Refraction

D. Interference

Correct Answer: B

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Question 11

Which of the following is a characteristic of stationary waves?

A. The antinode is a point of minimum displacement.

B. The distance between two successive nodes is one wavelength.

C. They can be transverse or longitudinal.

Correct D. They are formed by two identical waves travelling in opposite directions.

Correct Answer: D

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Question 12

Which of the following types of waves needs a medium for propagation?

A. X-rays

Correct B. Sound waves

C. Light waves

D. None

Correct Answer: B

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Question 13

The ground is always cold at night because the

A. the sun no longer shines at night

B. atmosphere reflects the sun's energy at night

C. atmosphere absorbs the sun's energy at night

Correct D. earth radiates heat to the atmosphere at night

Correct Answer: D

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Question 14

\(2000 cm^3 \) of a gas is collected at 27°C and 700 mmHg. What is the volume of the gas at standard temperature and pressure?

A. \(1896.5 cm^3 \)

B. \( 1767.3 cm^3 \)

Correct C. \( 1675.44 cm^3 \)

D. \( 1456.5 cm^3 \)

Correct Answer: C

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Question 15

What will happen to the boiling point of pure water when it is heated in a place 30 m below sea level?

Correct A. It will be more than 100°C.

B. It will be less than 100°C.

C. It will still be at 100°C.

D. It will be fluctuating.

Correct Answer: A

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Question 16

A cell of emf 1.5 V is connected in series with a 1 Ω resistor, and a current of 0.3 A flows through the resistor. Find the internal resistance of the cell.

Correct A. 4.0 Ω

B. 3.0 Ω

C. 1.5 Ω

D. 1.0 Ω

Correct Answer: A

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Question 17

Which of the following obeys Ohm's law?

A. electrolytes

B. semiconductors

C. insulators

Correct D. conductors

Correct Answer: D

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Question 18

PHCN measures its electrical energy in

Correct A. kWh

B. Wh

C. J

D. W

Correct Answer: A

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Question 19

What is the best method of demagnetizing a steel bar magnet?

A. Heating it.

B. Rough handling it.

Correct C. Solenoid method.

D. Hammering.

Correct Answer: C

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Question 20

Which of the following is most strongly deflected by a magnetic field?

Correct A. β-particles

B. χ-particles

C. γ-rays

D. None

Correct Answer: A

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Question 21

If a beaker is filled with water, it is observed that the surface of the water is not horizontal at the glass-water interface. This behaviour is due to

A. friction

Correct B. surface tension

C. viscosity

D. evaporation

Correct Answer: B

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Question 22

The process of energy production in the sun is

A. nuclear fission

Correct B. nuclear fusion

C. electron collision

D. radioactive decay

Correct Answer: B

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Question 23

The particle that is responsible for nuclear fission in a nuclear reactor is

A. electron

B. photon

C. proton

Correct D. neutron

Correct Answer: D

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Question 24

DATA - D1

[\( h=6.6 × 10^{-34} js \)]

If the uncertainty in the measurement of the position of a particle is 5 × \( 10^{-10} \) m, the uncertainty in the momentum of the particle is

Correct A. \( 1.32 × 10^{-24} Ns \)

B. \( 3.30 × 10^{-44} Ns \)

C. \( 1.32 × 10^{-44} Ns \)

D. \( 3.30 × 10^{-24} Ns \)

Correct Answer: A

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Question 25

When impurities are added to semi-conductors, the conductivity of the semi-conductor

A. decreases

B. increases then decreases.

Correct C. increases

D. remains constant

Correct Answer: C

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