POST UTME IMS U 2017 Physics | Objective

Are you preparing for POST UTME IMS U exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2017 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. 0.8 m/s^2
B. 1.2 m/s^2
Correct C. 1.6 m/s^2
D. 2.0 m/s^2

Correct Answer: C

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Question 2
A heat engine operates between a high-temperature reservoir at 500 K and a low-temperature reservoir at 300 K. If the engine produces 100 J of work per cycle, what is the efficiency of the engine?
A. 0.25
Correct B. 0.30
C. 0.35
D. 0.40

Correct Answer: B

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Question 3
A wave has a frequency of 50 Hz and a wavelength of 2 m. What is the speed of the wave?
A. 100 m/s
B. 200 m/s
Correct C. 250 m/s
D. 300 m/s

Correct Answer: C

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Question 4
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 60° above the horizontal. What is the maximum height reached by the projectile?
A. 10 m
Correct B. 15 m
C. 20 m
D. 25 m

Correct Answer: B

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Question 5
A circuit consists of a 10 Ω resistor and a 20 Ω resistor connected in series. If a voltage of 12 V is applied across the circuit, what is the current flowing through the circuit?
A. 0.4 A
B. 0.6 A
Correct C. 0.8 A
D. 1.0 A

Correct Answer: C

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Question 6
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, what is the magnitude of the acceleration of the particle?
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 7
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 8
A parallel plate capacitor has a capaci\tance of 2 μF and is charged to a potential difference of 10 V. If a dielectric slab of thickness 2 mm and dielectric cons\tant 3 is inserted between the plates, what is the new capaci\tance?
A. 4 μF
B. 6 μF
Correct C. 8 μF
D. 10 μF

Correct Answer: C

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Question 9
A 100 W light bulb is connected to a 220 V power source. What is the current drawn by the bulb?
A. 0.5 A
Correct B. 1 A
C. 2 A
D. 4 A

Correct Answer: B

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Question 10
A 2 kg block is moving in a circular path of radius 4 m with a cons\tant speed of 6 m/s. If the block is subjected to a centripetal force of 15 N, what is the magnitude of the acceleration of the block?
A. 3 m/s^2
B. 6 m/s^2
Correct C. 9 m/s^2
D. 12 m/s^2

Correct Answer: C

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Question 11
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 of the particle?
A. 16 m/s^2
B. 32 m/s^2
Correct C. 48 m/s^2
D. 64 m/s^2

Correct Answer: C

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Question 12
A capacitor of capaci\tance 10 μF is connected in series with a resistor of resis\tance 20 Ω. If a voltage of 50 V is applied across the circuit, what is the current flowing through the circuit?
A. 0.25 A
Correct B. 0.5 A
C. 1 A
D. 2 A

Correct Answer: B

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Question 13
A gas at a pressure of 2 atm and a temperature of 300 K is allowed to expand to a pressure of 1 atm. What is the final temperature of the gas?
A. 200 K
Correct B. 250 K
C. 300 K
D. 350 K

Correct Answer: B

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Question 14
A heat engine operates between two reservoirs at temperatures of 500 K and 300 K. If the engine absorbs 100 J of heat from the high-temperature reservoir, what is the efficiency of the engine?
A. 0.2
B. 0.3
Correct C. 0.4
D. 0.5

Correct Answer: C

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Question 15
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 60° above the horizontal. What is the maximum height reached by the projectile?
A. 10 m
B. 15 m
Correct C. 20 m
D. 25 m

Correct Answer: C

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Question 16
A gas is enclosed in a container with a movable piston. The gas is heated, cau\sing its pressure to increase. If the piston is allowed to move freely, what will happen to the volume of the gas?
A. The volume will decrease
Correct B. The volume will increase
C. The volume will remain cons\tant
D. The volume will increase and then decrease

Correct Answer: B

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Question 17
A particle is moving in a circular path with a cons\tant speed. Which of the following is true about the particle's motion?
Correct A. The particle is accelerating
B. The particle is decelerating
C. The particle is moving in a straight line
D. The particle is at rest

Correct Answer: A

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Question 18
A wave is traveling through a medium with a frequency of 50 Hz. If the wavelength of the wave is 2 meters, what is the speed of the wave?
A. 10 m/s
B. 20 m/s
Correct C. 50 m/s
D. 100 m/s

Correct Answer: C

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Question 19
A projectile is launched at an angle of 45 degrees above the horizontal. If the initial velocity of the projectile is 20 m/s, what is the maximum height reached by the projectile?
A. 10 m
Correct B. 20 m
C. 30 m
D. 40 m

Correct Answer: B

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Question 20
A sound wave has a frequency of 200 Hz and a wavelength of 1.5 meters. What is the speed of the sound wave?
A. 300 m/s
B. 400 m/s
Correct C. 500 m/s
D. 600 m/s

Correct Answer: C

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Question 21
A nucleus of mass number 238 and atomic number 92 undergoes \alpha decay. What is the mass number and atomic number of the daughter nucleus?
Correct A. 234, 90
B. 236, 91
C. 238, 92
D. 240, 93

Correct Answer: A

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Question 22
A particle of mass 9.11 x 10^-31 kg and charge 1.60 x 10^-19 C is moving in a circular path of radius 0.5 m with a speed of 2.0 x 10^6 m/s. What is the magnetic field strength?
Correct A. 1.0 x 10^-3 T
B. 1.0 x 10^-2 T
C. 1.0 x 10^-1 T
D. 1.0 T

Correct Answer: A

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Question 23
A wave has a frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
Correct A. 500 m/s
B. 5000 m/s
C. 50000 m/s
D. 500000 m/s

Correct Answer: A

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Question 24
A circuit consists of a 12 V battery, a 4 ohm resistor, and a 6 ohm resistor connected in series. What is the total resis\tance?
A. 6 ohm
Correct B. 8 ohm
C. 10 ohm
D. 12 ohm

Correct Answer: B

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Question 25
A sound wave has a frequency of 200 Hz and a speed of 343 m/s. What is the wavelength?
Correct A. 1.7 m
B. 1.8 m
C. 1.9 m
D. 2.0 m

Correct Answer: A

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