POST UTME MOUNTAIN TOP UNIVERSITY 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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 new temperature of the gas?
A. 200 K
B. 250 K
C. 300 K
D. 350 K
Question 2
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. 0.5 m/s²
B. 1 m/s²
C. 2 m/s²
D. 4 m/s²
Question 3
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 net force acting on the particle?
A. 10 N
B. 20 N
C. 30 N
D. 40 N
Question 4
A gas is heated from 300 K to 400 K at cons\tant volume. What is the ratio of the final pressure to the initial pressure?
A. 1.33
B. 1.5
C. 1.67
D. 2
Question 5
A 1000 Hz AC source is connected to a series RLC circuit with R = 10 Ω, L = 0.1 H, and C = 10 × 10^\( -6 \) F. What is the impedance of the circuit at resonance?
A. 10 Ω
B. 100 Ω
C. 1000 Ω
D. 10,000 Ω
Question 6
A 5.0 kg object is moving in a circular path with a cons\tant speed of 4.0 m/s. If the radius of the path is 2.0 m, calculate the centripetal acceleration of the object.
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 7
A block of mass 5 kg is attached to a spring with a spring cons\tant of 200 N/m. If the block is displaced by 0.2 m from its equilibrium position and released, what is the maximum velocity of the block?
A. 0.5 m/s
B. 1 m/s
C. 1.5 m/s
D. 2 m/s
Question 8
A circuit consists of a 12 Ω resistor, a 20 Ω resistor, and a 10 Ω resistor connected in series. If a voltage of 24 V is applied across the circuit, what is the current flowing through the circuit?
A. 0.5 A
B. 1 A
C. 1.5 A
D. 2 A
Question 9
A gas is heated from 300 K to 400 K at cons\tant volume. If the initial pressure is 1 atm, what is the final pressure?
A. 1.33 atm
B. 1.5 atm
C. 1.67 atm
D. 2 atm
Question 10
A light ray passes from air into a glass slab of re\fractive index 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 30°
C. 40°
D. 50°
Question 11
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the angular velocity is 4 rad/s, what is the centripetal acceleration?
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
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. If the particle is subjected to a centripetal acceleration of 2 m/s^2, what is the force exerted on the particle?
A. 8 N
B. 10 N
C. 12 N
D. 16 N
Question 13
A light ray passes through a prism and is re\fracted. If the angle of incidence is 30° and the angle of re\fraction is 40°, what is the angle of deviation?
A. 10°
B. 20°
C. 30°
D. 40°
Question 14
A 10.0 V battery is connected to a 2.0 Ω resistor and a 4.0 Ω resistor in series. Calculate the current flowing through the circuit.
A. 0.5 A
B. 1.0 A
C. 1.5 A
D. 2.0 A
Question 15
A sound wave with a frequency of 200 Hz has a speed of 343 m/s. What is the wavelength of the sound wave?
A. 1.7 m
B. 1.8 m
C. 1.9 m
D. 2.0 m

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