POST UTME COVENANT UNIVERSITY 2017 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A block of mass 5 kg is moving with a speed of 2 m/s on a frictionless surface. If a force of 10 N is applied to the block, what is the acceleration of the block?
A. 0.5 m/s^2
B. 1 m/s^2
C. 2 m/s^2
D. 5 m/s^2
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. If the particle is subjected to a centripetal force of 12 N, what is the magnitude of the acceleration of the particle?
A. 10 m/s^2
B. 12 m/s^2
C. 15 m/s^2
D. 20 m/s^2
Question 3
A car travels from point A to point B with a cons\tant acceleration of 2 m/s². If the initial velocity is 5 m/s and the time taken is 10 s, what is the dis\tance traveled?
A. 50 m
B. 75 m
C. 100 m
D. 125 m
Question 4
A block of mass 5 kg is attached to a horizontal, massless spring with a force cons\tant of 200 N/m. The block is displaced by 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 5
A 100 Ω resistor is connected in series with a 200 Ω resistor and a 300 Ω resistor. What is the equivalent resis\tance?
A. 100 Ω
B. 200 Ω
C. 300 Ω
D. 600 Ω
Question 6
A capacitor of capaci\tance 2 μF is connected in series with a resistor of resis\tance 10 kΩ. If a potential difference of 12 V is applied across the circuit, what is the current flowing through the circuit?
A. 1.0 × 10^{-3} A
B. 1.2 × 10^{-3} A
C. 1.5 × 10^{-3} A
D. 2.0 × 10^{-3} A
Question 7
A gas at a pressure of 2 atm and a volume of 2 L is heated from 27°C to 127°C. If the gas is ideal, what is the final pressure of the gas?
A. 2.0 atm
B. 2.5 atm
C. 2.67 atm
D. 3.0 atm
Question 8
A radioactive sample has a half-life of 10 years. If the initial activity of the sample is 1000 Bq, what is the activity of the sample after 20 years?
A. 250 Bq
B. 500 Bq
C. 750 Bq
D. 1000 Bq
Question 9
A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. What is the current flowing through the circuit?
A. 1.5 A
B. 2 A
C. 2.5 A
D. 3 A
Question 10
A block of mass 5.0 kg is attached to a horizontal spring with a force cons\tant of 200 N/m. The block is displaced by 0.20 m from its equilibrium position and released from rest. What is the maximum speed of the block?
A. 0.50 m/s
B. 1.00 m/s
C. 1.50 m/s
D. 2.00 m/s
Question 11
A photon of wavelength 600 nm is incident on a metal surface. What is the energy of the photon?
A. 2.00 eV
B. 3.00 eV
C. 4.00 eV
D. 5.00 eV
Question 12
A 10 Ω resistor is connected in series with a 20 Ω resistor and a 30 Ω resistor. If a potential difference of 12 V is applied across the circuit, what is the current flowing through the 10 Ω resistor?
A. 0.1 A
B. 0.2 A
C. 0.3 A
D. 0.4 A
Question 13
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 uniform magnetic field of 2 T directed perp\endicular to the plane of the circular path, what is the magnitude of the magnetic force acting on the particle?
A. 8 N
B. 16 N
C. 32 N
D. 64 N
Question 14
A sound wave has a frequency of 200 Hz and a wavelength of 0.5 m. What is the speed of the sound wave?
A. 100 m/s
B. 200 m/s
C. 300 m/s
D. 400 m/s
Question 15
A 10 kg block is placed on a horizontal surface with a coefficient of friction of 0.5. If a horizontal force of 20 N is applied to the block, what is the acceleration of the block?
A. 0.5 m/s²
B. 1.0 m/s²
C. 1.5 m/s²
D. 2.0 m/s²

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