POST UTME IMS U 2017 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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
C. 20 m
D. 25 m
Question 2
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 20 V. If the dis\tance between the plates is doubled, what is the new potential difference?
A. 10 V
B. 20 V
C. 40 V
D. 80 V
Question 3
A sound wave has a frequency of 200 Hz and a speed of 343 m/s. What is the wavelength?
A. 1.7 m
B. 1.8 m
C. 1.9 m
D. 2.0 m
Question 4
A wave has a frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
A. 500 m/s
B. 5000 m/s
C. 50000 m/s
D. 500000 m/s
Question 5
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?
A. 234, 90
B. 236, 91
C. 238, 92
D. 240, 93
Question 6
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
C. 250 m/s
D. 300 m/s
Question 7
A 100 W light bulb is connected to a 220 V power source. Assuming the bulb is 90% efficient, calculate the current drawn by the bulb.
A. 0.4 A
B. 0.5 A
C. 0.6 A
D. 0.7 A
Question 8
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
B. 0.5 A
C. 1 A
D. 2 A
Question 9
A \sinusoidal voltage source has a peak voltage of 20 V and a frequency of 50 Hz. If the current flowing through a 10 Ω resistor is 2 A, what is the power factor of the circuit?
A. 0.5
B. 0.7
C. 0.9
D. 1.0
Question 10
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
C. 1.6 m/s^2
D. 2.0 m/s^2
Question 11
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
C. 0.4
D. 0.5
Question 12
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
B. 8 ohm
C. 10 ohm
D. 12 ohm
Question 13
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
C. 500 m/s
D. 600 m/s
Question 14
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
C. 6 m/s^2
D. 8 m/s^2
Question 15
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
C. 9 m/s^2
D. 12 m/s^2

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