POST UTME PAN-ATLANTIC UNIVERSITY 2025 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 100 W bulb is connected to a 220 V power supply. What is the current flowing through the bulb?
A. 0.4 A
B. 0.6 A
C. 0.8 A
D. 1.2 A
Question 2
A gas is heated from 20°C to 80°C. What is the change in temperature?
A. 10°C
B. 20°C
C. 30°C
D. 40°C
Question 3
A gas expands from 1 L to 2 L against an external pressure of 2 atm. If the initial temperature is 300 K, what is the final temperature?
A. 200 K
B. 300 K
C. 400 K
D. 500 K
Question 4
A 100 W light bulb is connected to a 230 V AC supply. If the bulb is rated for 1000 hours of operation, calculate the total energy consumed in kWh.
A. 100 kWh
B. 200 kWh
C. 300 kWh
D. 400 kWh
Question 5
A particle of mass 1 kg is confined to a one-dimensional box of length 1 m. If the particle is in the ground state, what is the energy of the particle?
A. 1.5 J
B. 3 J
C. 4.5 J
D. 6 J
Question 6
A gas is enclosed in a container with a movable piston. The gas is heated, cau\sing its pressure to increase. Which of the following best describes the change in the gas's volume?
A. The volume of the gas decreases.
B. The volume of the gas increases.
C. The volume of the gas remains cons\tant.
D. The volume of the gas becomes negative.
Question 7
A sound wave with a frequency of 200 Hz is traveling through a medium with a speed of 340 m/s. What is the wavelength of the sound wave?
A. 1.7 m
B. 1.4 m
C. 1.1 m
D. 0.9 m
Question 8
A light ray passes through a prism with an angle of incidence of 30° and an angle of re\fraction of 20°. What is the angle of deviation?
A. 10°
B. 20°
C. 30°
D. 40°
Question 9
A magnetic field is produced by a current-carrying wire. If the current is 2 A and the wire is 0.5 m long, calculate the magnetic field strength at a dis\tance of 1 m from the wire.
A. 0.02 T
B. 0.05 T
C. 0.1 T
D. 0.2 T
Question 10
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. 7.5 x 10^-10 F
D. 1.0 x 10^-9 F
Question 11
A particle of mass 2 kg is moving in a circular path with a radius of 3 m and a speed of 4 m/s. What is the centripetal force acting on the particle?
A. 8 N
B. 12 N
C. 16 N
D. 20 N
Question 12
A beam of light passes through a prism and is re\fracted. If the angle of incidence is 30° and the angle of re\fraction is 20°, what is the angle of deviation?
A. 10°
B. 20°
C. 30°
D. 40°
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 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 14
A magnetic field of 0.5 T is applied to a coil of 100 turns and radius 0.1 m. If the coil is connected to a 10 A current source, calculate the induced emf.
A. 0.5 V
B. 1.0 V
C. 1.5 V
D. 2.0 V
Question 15
A body is moving in a straight line with an initial velocity of 5 m/s. After 2 seconds, its velocity is 10 m/s. What is the acceleration of the body?
A. 2.5 m/s^2
B. 5 m/s^2
C. 10 m/s^2
D. 20 m/s^2

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: