POST UTME LAUTECH 2025 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 50 kg person is s\tanding on a spring scale that reads 500 N. If the person then jumps up and down with a frequency of 2 Hz, calculate the amplitude of the motion.
A. 0.063 m
B. 0.126 m
C. 0.189 m
D. 0.252 m
Question 2
A gas expands from 2 L to 5 L against a cons\tant external pressure of 2 atm. If the initial temperature is 300 K, calculate the final temperature.
A. 400 K
B. 500 K
C. 600 K
D. 700 K
Question 3
A sound wave has a frequency of 200 Hz and a speed of 343 m/s. What is the wavelength?
A. 0.5 m
B. 1 m
C. 1.5 m
D. 2 m
Question 4
A car travels from point A to point B at an average speed of 60 km/h. If the dis\tance between points A and B is 240 km, how much time does the car take to travel from point A to point B?
A. 4 hours
B. 6 hours
C. 8 hours
D. 10 hours
Question 5
A 2 kg object is moving in a straight line with an initial velocity of 5 m/s. After 2 seconds, its velocity is 3 m/s. What is the acceleration of the object?
A. 1 m/s^2
B. 2 m/s^2
C. 3 m/s^2
D. 4 m/s^2
Question 6
A capacitor consists of two parallel plates, each of area 0.1 m^2, separated by a dis\tance of 0.01 m. If the capaci\tance is 10^-6 F, calculate the charge stored on the capacitor when the voltage across it is 10 V.
A. 11.24 μC
B. 22.48 μC
C. 33.72 μC
D. 44.96 μC
Question 7
A parallel plate capacitor has plates of area 0.04 m^2 and separation 0.02 m. If the dielectric cons\tant of the material between the plates is 3, calculate the capaci\tance.
A. 0.01 F
B. 0.02 F
C. 0.03 F
D. 0.04 F
Question 8
A 2 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. If the block is displaced by 0.2 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
C. 6 m/s
D. 8 m/s
Question 9
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. 300 m/s
D. 400 m/s
Question 10
A 100 μF capacitor is connected in parallel with a 50 Ω resistor. A 10 V DC source is applied across the circuit. What is the current flowing through the resistor?
A. 0.2 A
B. 0.4 A
C. 0.6 A
D. 0.8 A
Question 11
A quantum particle has a wave function given by ψ(x) = Ae^\( -αx^2 \). What is the expectation value of the position operator?
A. 0
B. 1/α
C. 1/2α
D. 1/4α
Question 12
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 force acting on the particle?
A. 8 N
B. 16 N
C. 24 N
D. 32 N
Question 13
A gas is heated at cons\tant volume. Which of the following statements is true about the change in the gas's internal energy?
A. The internal energy increases
B. The internal energy decreases
C. The internal energy remains cons\tant
D. The internal energy is not affected
Question 14
A particle is projected at an angle of 60° to the horizontal with an initial velocity of 20 m/s. What is the time of flight?
A. 2.5 s
B. 5 s
C. 10 s
D. 15 s
Question 15
A particle of mass 2 kg is moving in a circular path of radius 3 m with a speed of 4 m/s. What is the magnitude of the centripetal force acting on the particle?
A. 10 N
B. 20 N
C. 30 N
D. 40 N

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