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POST UTME SKYLINE UNIVERSITY 2022 Physics | Objective

Are you preparing for POST UTME SKYLINE UNIVERSITY 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 particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. What is the magnitude of the centripetal acceleration?

A. 12 m/s^2

Correct B. 16 m/s^2

C. 20 m/s^2

D. 24 m/s^2

Correct Answer: B

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Question 2

A wave has a frequency of 50 Hz and a wavelength of 0.2 m. What is the speed of the wave?

A. 10 m/s

Correct B. 20 m/s

C. 30 m/s

D. 40 m/s

Correct Answer: B

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Question 3

A 5 kg block is attached to a horizontal, massless spring with a force cons\tant of 200 N/m. The block is displaced by 2 m from its equilibrium position and released from rest. What is the maximum speed of the block?

A. 2 m/s

B. 4 m/s

Correct C. 6 m/s

D. 8 m/s

Correct Answer: C

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Question 4

A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. What is the current in the circuit?

A. 1 A

Correct B. 2 A

C. 3 A

D. 4 A

Correct Answer: B

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Question 5

A photon has an energy of 2.5 eV. What is its wavelength?

A. 500 nm

B. 600 nm

Correct C. 700 nm

D. 800 nm

Correct Answer: C

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Question 6

A gas is enclosed in a container with a movable piston. The gas is heated from 300 K to 400 K. Assuming the volume of the gas remains cons\tant, calculate the ratio of the final pressure to the initial pressure.

Correct A. 1.33

B. 2.00

C. 3.00

D. 4.00

Correct Answer: A

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Question 7

A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. Calculate the magnitude of the centripetal acceleration.

A. 0.50 m/s^2

B. 1.00 m/s^2

Correct C. 2.00 m/s^2

D. 4.00 m/s^2

Correct Answer: C

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Question 8

A block of mass 5 kg is attached to a horizontal spring with a spring cons\tant of 200 N/m. The block is displaced by 2 m from its equilibrium position and released from rest. Calculate the maximum speed of the block.

A. 1.00 m/s

B. 2.00 m/s

Correct C. 4.00 m/s

D. 8.00 m/s

Correct Answer: C

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Question 9

A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. Calculate the current flowing through the circuit.

A. 0.50 A

B. 1.00 A

Correct C. 2.00 A

D. 3.00 A

Correct Answer: C

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Question 10

A p\endulum of length 1 m is released from an initial angle of 30°. Calculate the time period of the p\endulum.

A. 2.00 s

Correct B. 4.00 s

C. 6.00 s

D. 8.00 s

Correct Answer: B

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Question 11

A particle of mass 2 kg is moving in a circular path with a cons\tant speed of 4 m/s. If the radius of the path is 3 m, calculate the magnitude of the centripetal force acting on the particle.

A. 16 N

B. 24 N

Correct C. 32 N

D. 48 N

Correct Answer: C

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Question 12

A body of mass 5 kg is moving with a velocity of 10 m/s. If it is subjected to a force of 20 N, calculate the acceleration produced.

A. 2 m/s^2

B. 4 m/s^2

Correct C. 6 m/s^2

D. 8 m/s^2

Correct Answer: C

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Question 13

A projectile is fired from the ground with an initial velocity of 20 m/s at an angle of 60° to the horizontal. If the acceleration due to gravity is 10 m/s^2, calculate the time of flight.

A. 2 s

B. 4 s

Correct C. 6 s

D. 8 s

Correct Answer: C

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Question 14

A gas is heated from 300 K to 400 K. If the initial volume is 2 m^3 and the final volume is 3 m^3, calculate the work done.

A. 100 J

B. 200 J

Correct C. 300 J

D. 400 J

Correct Answer: C

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Question 15

A simple harmonic motion has a time period of 2 s and an amplitude of 3 m. If the initial phase angle is 60°, calculate the displacement at time t = 1 s.

A. 2 m

Correct B. 3 m

C. 4 m

D. 5 m

Correct Answer: B

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Question 16

A 2.5 mH inductor is connected in series with a 10 Ω resistor and a 20 V AC source. If the frequency of the source is 50 Hz, calculate the impedance of the circuit.

A. 10 Ω

B. 20 Ω

Correct C. 30 Ω

D. 40 Ω

Correct Answer: C

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Question 17

A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subjected to a centripetal force of 10 N, calculate the work done by the force in 2 seconds.

A. 20 J

B. 30 J

Correct C. 40 J

D. 50 J

Correct Answer: C

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Question 18

A capacitor of capaci\tance 10 μF is connected in series with a 20 Ω resistor and a 10 V DC source. If the capacitor is initially uncharged, calculate the time taken for the capacitor to become fully charged.

A. 0.1 s

Correct B. 0.2 s

C. 0.3 s

D. 0.4 s

Correct Answer: B

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Question 19

A 5 kg block is moving along a frictionless surface with a cons\tant acceleration of 2 m/s². If the block is subjected to a force of 10 N, calculate the work done by the force in 3 seconds.

A. 30 J

B. 40 J

Correct C. 50 J

D. 60 J

Correct Answer: C

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Question 20

A 10 μF capacitor is connected in parallel with a 20 μF capacitor. If a 10 V DC source is connected across the combination, calculate the equivalent capaci\tance of the combination.

A. 10 μF

B. 20 μF

C. 30 μF

Correct D. 40 μF

Correct Answer: D

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Question 21

A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subject to a centripetal force of 12 N, what is the magnitude of the force?

A. 8 N

Correct B. 12 N

C. 16 N

D. 24 N

Correct Answer: B

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Question 22

A block of mass 5 kg is placed on a frictionless surface and attached to a horizontal spring with a force cons\tant of 20 N/m. If the block is displaced by 2 m from its equilibrium position and released from rest, what is the maximum speed of the block?

A. 2 m/s

B. 4 m/s

Correct C. 6 m/s

D. 8 m/s

Correct Answer: C

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Question 23

A 100 W light bulb is connected to a 220 V power source. If the resis\tance of the light bulb is 10 Ω, what is the current flowing through the bulb?

A. 0.5 A

Correct B. 1 A

C. 2 A

D. 4 A

Correct Answer: B

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Question 24

A particle of mass 1 kg is moving in a circular path of radius 2 m with a cons\tant speed of 3 m/s. If the particle is subject to a centripetal force of 6 N, what is the magnitude of the force?

A. 4 N

Correct B. 6 N

C. 8 N

D. 12 N

Correct Answer: B

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Question 25

A block of mass 3 kg is placed on a frictionless surface and attached to a horizontal spring with a force cons\tant of 30 N/m. If the block is displaced by 3 m from its equilibrium position and released from rest, what is the maximum speed of the block?

A. 3 m/s

B. 6 m/s

Correct C. 9 m/s

D. 12 m/s

Correct Answer: C

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