POST UTME COVENANT UNIVERSITY 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A force of 10 N is applied to an object of mass 2 kg. What is the acceleration of the object?
A. 2 m/s^2
B. 4 m/s^2
C. 5 m/s^2
D. 10 m/s^2
Question 2
A photon of energy 2 eV is incident on a metal surface with a work function of 1.5 eV. What is the maximum kinetic energy of the emitted electron?
A. 0.5 eV
B. 1 eV
C. 1.5 eV
D. 2 eV
Question 3
A particle of mass 1 kg is moving in a circular path of radius 2 m with a cons\tant speed of 3 m/s. What is the magnitude of the centripetal force?
A. 3 N
B. 6 N
C. 9 N
D. 12 N
Question 4
A body is moving in a circular path with a cons\tant speed of 3 m/s. If the radius of the circle is 1.5 m, calculate the centripetal acceleration of the body.
A. 1 m/s^2
B. 2 m/s^2
C. 3 m/s^2
D. 4 m/s^2
Question 5
A block of mass 10 kg is moving in a straight line with a speed of 5 m/s. If a force of 20 N is applied to the block, calculate the acceleration of the block.
A. 1 m/s^2
B. 2 m/s^2
C. 3 m/s^2
D. 4 m/s^2
Question 6
A coil of wire with 50 turns is placed in a magnetic field of strength 0.2 T. If the current in the coil is 1 A, what is the magnitude of the torque experienced by the coil?
A. 0.1 Nm
B. 0.2 Nm
C. 0.5 Nm
D. 1 Nm
Question 7
A capacitor of capaci\tance 10 μF is connected to a battery of voltage 5 V. What is the charge stored on the capacitor?
A. 50 μC
B. 100 μC
C. 150 μC
D. 200 μC
Question 8
A particle of mass 0.5 kg is moving in a circular path of radius 2 m with a cons\tant speed of 4 m/s. What is the magnitude of the centripetal acceleration?
A. 0.5 m/s^2
B. 1 m/s^2
C. 2 m/s^2
D. 4 m/s^2
Question 9
A ray of light passes from air into a glass slab of re\fractive index $\mu$. If the angle of incidence is $\theta_i$ and the angle of re\fraction is $\theta_r$, what is the relationship between $\theta_i$ and $\theta_r$?
A. $\mu = \frac{\sin \theta_i}{\sin \theta_r}$
B. $\mu = \frac{\sin \theta_r}{\sin \theta_i}$
C. $\mu = \frac{\cos \theta_i}{\cos \theta_r}$
D. $\mu = \frac{\cos \theta_r}{\cos \theta_i}$
Question 10
A body is moving in a circular path with a cons\tant speed of 4 m/s. If the radius of the circle is 2 m, calculate the centripetal acceleration of the body.
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
Question 11
A capacitor consists of two parallel plates, each of area 0.1 m^2, separated by a dis\tance of 0.01 m. The dielectric cons\tant of the material between the plates is 2. The capaci\tance of the capacitor is
A. 1.6 x 10^-9 F
B. 2.2 x 10^-9 F
C. 3.2 x 10^-9 F
D. 4.8 x 10^-9 F
Question 12
A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 6 m/s. What is the magnitude of the centripetal acceleration?
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
Question 13
A \tank is filled with water to a height of 2 m. If a small hole is made at the bottom of the \tank, calculate the speed of the water coming out of the hole.
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Question 14
A block of mass 5 kg is attached to a horizontal spring with a spring cons\tant of 100 N/m. If the block is displaced by 0.2 m from its equilibrium position and released, calculate the maximum speed of the block.
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 15
A simple p\endulum of length 1 m is released from an initial angle of 30°. What is the time period of the p\endulum?
A. 1.5 s
B. 2 s
C. 2.5 s
D. 3 s

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