POST UTME CALEB UNIVERSITY 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 3 m long wire is carrying a current of 1 A. If the magnetic field at a point 1 m away from the wire is 0.2 T, what is the direction of the magnetic field?
A. Clockwise
B. Counterclockwise
C. Into the page
D. Out of the page
Question 2
A parallel plate capacitor has plates of area 0.04 m^2 and separation 0.02 m. If the dielectric cons\tant of the material between the plates is 3, calculate the capaci\tance.
A. 2.5 x 10^-10 F
B. 5.0 x 10^-10 F
C. 1.0 x 10^-9 F
D. 2.0 x 10^-9 F
Question 3
A body of mass 5 kg is moving in a straight line with a velocity of 20 m/s. If the body is subject to a force of 10 N, what is the 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 4
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. If the particle is subjected to a centripetal force of 6 N, what is the angular velocity of the particle?
A. \( \frac{1}{2} \) rad/s
B. \( \frac{1}{4} \) rad/s
C. \( \frac{1}{3} \) rad/s
D. \( \frac{1}{6} \) rad/s
Question 5
A gas is heated from 300 K to 400 K at cons\tant volume. If the initial pressure is 2 atm, what is the final pressure?
A. 2.5 atm
B. 3 atm
C. 3.5 atm
D. 4 atm
Question 6
A 5 kg block is attached to a horizontal spring with a force cons\tant of 100 N/m. The block is displaced by 0.1 m from its equilibrium position and released from rest. What is the maximum speed of the block?
A. 0.5 m/s
B. 1 m/s
C. 1.5 m/s
D. 2 m/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 body of mass 5 kg is moving with a velocity of 10 m/s. If it is subjected to a force of 20 N, calculate the acceleration.
A. 0.4 m/s^2
B. 0.8 m/s^2
C. 1.2 m/s^2
D. 1.6 m/s^2
Question 9
A 2 m long p\endulum is swinging with a frequency of 2 Hz. If the p\endulum is subjected to a damping force, what is the new frequency of the p\endulum?
A. 1 Hz
B. 1.5 Hz
C. 2 Hz
D. 2.5 Hz
Question 10
A gas at 300 K and 1 atm is compressed to 2 atm. Assuming ideal gas behavior, what is the new volume of the gas?
A. 0.5 m^3
B. 1 m^3
C. 2 m^3
D. 4 m^3
Question 11
A car is moving along a straight road with a cons\tant acceleration of 2 m/s². If the initial velocity is 10 m/s, what is the velocity of the car after 5 seconds?
A. 15 m/s
B. 20 m/s
C. 25 m/s
D. 30 m/s
Question 12
A capacitor consists of two parallel plates, each of area 0.1 m^2, separated by a dis\tance of 0.01 m. If the capaci\tance of the capacitor is 10^-6 F, what is the charge stored on the capacitor when a potential difference of 10 V is applied across it?
A. 10^-5 C
B. 10^-6 C
C. 10^-7 C
D. 10^-8 C
Question 13
A heat engine operates between 500 K and 300 K. What is the efficiency of the engine?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 14
A coil of wire has a resis\tance of 10 Ω and is connected to a battery with an emf of 12 V. If the current in the coil is 2 A, what is the power dissipated in the coil?
A. 20 W
B. 40 W
C. 60 W
D. 80 W
Question 15
A wave of frequency 50 Hz and wavelength 10 m is traveling through a medium. If the wave has an amplitude of 0.1 m, what is the intensity of the wave?
A. 10^-3 W/m^2
B. 10^-2 W/m^2
C. 10^-1 W/m^2
D. 10^0 W/m^2

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