POST UTME NOUN 2025 Physics | Objective

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 speed of 4 m/s. What is the centripetal acceleration?
A. 1.33 m/s^2
B. 2.67 m/s^2
C. 4 m/s^2
D. 6.67 m/s^2
Question 2
A wave has a frequency of 50 Hz and a wavelength of 0.2 m. What is the speed of the wave?
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Question 3
A 2 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. The block is displaced by 0.2 m from its equilibrium position and released from rest. Assuming the block undergoes simple harmonic motion, calculate the maximum speed of the block.
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 4
A parallel plate capacitor has a capaci\tance of 10 μF. If a potential difference of 12 V is applied across the plates, what is the charge stored on the capacitor?
A. 120 μC
B. 140 μC
C. 160 μC
D. 180 μC
Question 5
A block of mass 5 kg is attached to a spring of spring cons\tant 100 N/m. If the block is displaced by 2 m from its equilibrium position and released, 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 6
A particle of mass 2 kg is attached to a spring with a spring cons\tant of 100 N/m. If the particle is displaced by 0.1 m from its equilibrium position and released from rest, what is the angular frequency?
A. 1 rad/s
B. 2 rad/s
C. 5 rad/s
D. 10 rad/s
Question 7
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 12 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 8
A 10 kg block is moving at a speed of 5 m/s on a frictionless surface. Calculate the kinetic energy of the block.
A. 25 J
B. 50 J
C. 75 J
D. 100 J
Question 9
A ray of light passes from air into a glass block with a re\fractive index of 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 25°
C. 30°
D. 35°
Question 10
A sound wave with a frequency of 200 Hz is emitted from a source moving towards a stationary observer. If the speed of sound in air is 343 m/s, what is the apparent frequency heard by the observer?
A. 220 Hz
B. 240 Hz
C. 260 Hz
D. 280 Hz
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. If the particle is subjected to a centripetal force of 12 N, what is the magnitude of the acceleration of the particle?
A. 4 m/s^2
B. 6 m/s^2
C. 8 m/s^2
D. 10 m/s^2
Question 12
A block of mass 5 kg is placed on a frictionless surface and given an initial velocity of 2 m/s. If the block is subjected to a force of 10 N, what is the acceleration of the block?
A. 0.2 m/s^2
B. 0.4 m/s^2
C. 0.6 m/s^2
D. 0.8 m/s^2
Question 13
A circuit consists of a 20 Ω resistor, a 10 Ω resistor, and a 5 Ω resistor connected in series. If a voltage of 15 V is applied across the circuit, what is the current flowing through the circuit?
A. 0.5 A
B. 0.6 A
C. 0.7 A
D. 0.8 A
Question 14
A block of mass 10 kg 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 30 N, what is the magnitude of the acceleration of the block?
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
Question 15
A 10.0 Ω resistor is connected in series with a 20.0 Ω resistor and a 30.0 Ω resistor. If a voltage of 12.0 V is applied across the circuit, calculate the current flowing through the circuit.
A. 0.20 A
B. 0.40 A
C. 0.60 A
D. 0.80 A

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