POST UTME SUMMIT UNIVERSITY 2023 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A simple harmonic oscillator has a frequency of 2 Hz and an amplitude of 0.5 m. If the oscillator is displaced by 0.2 m from its equilibrium position, calculate the angular frequency.
A. 4 rad/s
B. 6 rad/s
C. 8 rad/s
D. 10 rad/s
Question 2
A particle is projected horizontally from the top of a cliff with an initial velocity of 20 m/s. If the cliff is 50 m high, how long does it take for the particle to hit the ground?
A. 2.5 s
B. 3.0 s
C. 3.5 s
D. 4.0 s
Question 3
A car is traveling at a speed of 60 km/h. If the driver applies the brakes and the car comes to a stop in 4 seconds, what is the acceleration of the car?
A. -15 m/s^2
B. -20 m/s^2
C. -25 m/s^2
D. -30 m/s^2
Question 4
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 30° above the horizontal. If air resis\tance is neglected, calculate the time of flight.
A. 2 s
B. 4 s
C. 6 s
D. 8 s
Question 5
A gas is enclosed in a container with a movable piston. The piston is slowly pushed down, increa\sing the pressure of the gas. If the temperature of the gas is kept cons\tant, what happens to the volume of the gas?
A. The volume of the gas decreases
B. The volume of the gas increases
C. The volume of the gas remains cons\tant
D. The volume of the gas becomes zero
Question 6
A ray of light passes from air into a glass block at an angle of incidence of 30°. If the angle of re\fraction is 20°, what is the re\fractive index of the glass?
A. 1.2
B. 1.5
C. 1.8
D. 2.0
Question 7
A charged particle of mass 0.1 kg and charge 2 μC is moving in a circular path of radius 0.1 m with a speed of 10 m/s. If the magnetic field is 0.5 T, calculate the force exerted on the particle.
A. 0.1 N
B. 0.2 N
C. 0.3 N
D. 0.4 N
Question 8
A photon has a wavelength of 400 nm. What is its energy in joules?
A. 3.2 x 10^-19 J
B. 6.4 x 10^-19 J
C. 9.6 x 10^-19 J
D. 1.2 x 10^-18 J
Question 9
A uniform magnetic field of magnitude 2 T is applied to a coil of radius 0.1 m. If the coil has 100 turns and a resis\tance of 10 Ω, calculate the induced emf when the field is reduced to 1 T in 0.2 s.
A. 2 V
B. 4 V
C. 6 V
D. 8 V
Question 10
A particle of mass 0.5 kg is attached to a spring with a spring cons\tant of 100 N/m. If the particle is displaced by 0.2 m from its equilibrium position and released from rest, calculate the maximum speed of the particle.
A. 0.5 m/s
B. 1 m/s
C. 1.5 m/s
D. 2 m/s

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