POST UTME ELIZADE UNIVERSITY 2025 Physics | Objective

Are you preparing for POST UTME ELIZADE UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2025 Physics (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
A 2.5 V battery is connected in series with a 5 ohm resistor and a 10 ohm resistor. What is the total resis\tance of the circuit?
A. 10 ohms
Correct B. 12.5 ohms
C. 15 ohms
D. 20 ohms

Correct Answer: B

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Question 2
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 force acting on the particle?
A. 10 N
B. 20 N
Correct C. 30 N
D. 40 N

Correct Answer: C

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Question 3
A 100 W bulb is connected to a 230 V power supply. What is the current drawn by the bulb?
A. 0.4 A
Correct B. 0.5 A
C. 0.6 A
D. 0.7 A

Correct Answer: B

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Question 4
A 5 kg block is attached to a horizontal spring with a force cons\tant of 100 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
Correct C. 6 m/s
D. 8 m/s

Correct Answer: C

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Question 5
A gas occupies a volume of 2 m^3 at a pressure of 100 kPa. What is the new pressure if the volume is increased to 4 m^3?
A. 50 kPa
Correct B. 75 kPa
C. 100 kPa
D. 125 kPa

Correct Answer: B

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Question 6
A 2.5 V battery is connected in series with a 10 Ω resistor and a 5 μF capacitor. The capacitor is initially uncharged. What is the time cons\tant of the RC circuit?
A. 50 μs
B. 100 μs
Correct C. 200 μs
D. 500 μs

Correct Answer: C

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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. What is the magnitude of the centripetal acceleration?
A. 0.5 m/s^2
B. 1 m/s^2
Correct C. 2 m/s^2
D. 4 m/s^2

Correct Answer: C

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Question 8
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 5 V. What is the energy stored in the capacitor?
A. 0.25 J
Correct B. 0.5 J
C. 1 J
D. 2 J

Correct Answer: B

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Question 9
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 60° above the horizontal. What is the maximum height reached by the projectile?
A. 10 m
B. 20 m
Correct C. 30 m
D. 40 m

Correct Answer: C

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Question 10
A 100 Ω resistor is connected in series with a 200 Ω resistor and a 50 Ω resistor. What is the equivalent resis\tance of the circuit?
A. 100 Ω
B. 200 Ω
Correct C. 300 Ω
D. 400 Ω

Correct Answer: C

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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 angle between the velocity vector and the radius vector at the ins\tant when the particle is at the top of its path?
Correct A. π/2
B. π/3
C. π/4
D. π/6

Correct Answer: A

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Question 12
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 20 V. If a dielectric slab of thickness 2 mm and dielectric cons\tant 3 is inserted between the plates, what is the new capaci\tance?
A. 30 μF
B. 40 μF
Correct C. 50 μF
D. 60 μF

Correct Answer: C

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Question 13
A wave has a frequency of 100 Hz and a wavelength of 0.5 m. If the wave is traveling in the positive x-direction, what is the direction of the particle velocity at the ins\tant when the wave is pas\sing through the point x = 0.25 m?
Correct A. positive x-direction
B. negative x-direction
C. positive y-direction
D. negative y-direction

Correct Answer: A

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Question 14
A block of mass 5 kg is attached to a horizontal spring with a force cons\tant of 100 N/m. If 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
Correct C. 6 m/s
D. 8 m/s

Correct Answer: C

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Question 15
A radioactive sample has an initial activity of 100 Bq. If the half-life of the sample is 2 hours, what is the activity of the sample after 4 hours?
A. 50 Bq
B. 75 Bq
Correct C. 87.5 Bq
D. 100 Bq

Correct Answer: C

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Question 16
A 10 Ω resistor is connected in series with a 20 Ω resistor and a 40 Ω resistor. If a potential difference of 20 V is applied across the circuit, what is the current flowing through the 10 Ω resistor?
A. 0.25 A
Correct B. 0.5 A
C. 1 A
D. 2 A

Correct Answer: B

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Question 17
A light ray passes through a convex lens of focal length 20 cm and is focused at a dis\tance of 10 cm from the lens. What is the object dis\tance?
Correct A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm

Correct Answer: A

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Question 18
A particle of mass 2 kg is attached to a spring of spring cons\tant 100 N/m. If the particle is displaced by 0.2 m from its equilibrium position and released, what is the maximum speed of the particle?
A. 2 m/s
Correct B. 4 m/s
C. 6 m/s
D. 8 m/s

Correct Answer: B

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Question 19
A \tank is filled with water to a height of 5 m. If a pressure gauge attached to the \tank reads 200 kPa, what is the pressure at a depth of 2 m below the surface?
A. 150 kPa
Correct B. 175 kPa
C. 200 kPa
D. 225 kPa

Correct Answer: B

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Question 20
A circuit consists of a 10 Ω resistor, a 20 Ω resistor, and a 40 Ω resistor connected in parallel. If a potential difference of 20 V is applied across the circuit, what is the current flowing through the 10 Ω resistor?
A. 0.25 A
Correct B. 0.5 A
C. 1 A
D. 2 A

Correct Answer: B

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Question 21
A 2 kg block of copper is heated from 20°C to 80°C. If the specific heat capacity of copper is 0.385 J/g°C, calculate the energy required to heat the block.
A. 400 J
B. 800 J
Correct C. 1200 J
D. 1600 J

Correct Answer: C

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Question 22
A 5 m long wire is stretched by a force of 50 N. If the Young's modulus of the wire is 2.0 x 10^11 Pa, calculate the strain in the wire.
A. 0.025
Correct B. 0.05
C. 0.075
D. 0.1

Correct Answer: B

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Question 23
A 10 μF capacitor is connected in series with a 20 Ω resistor. If the frequency of the alternating current is 50 Hz, calculate the impedance of the circuit.
A. 20 Ω
B. 40 Ω
Correct C. 60 Ω
D. 80 Ω

Correct Answer: C

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Question 24
A particle of mass 0.5 kg is moving in a circular path with a radius of 2 m. If the angular velocity of the particle is 10 rad/s, calculate the kinetic energy of the particle.
A. 5 J
Correct B. 10 J
C. 15 J
D. 20 J

Correct Answer: B

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Question 25
A 100 W light bulb is connected to a 220 V power source. If the resis\tance of the bulb is 10 Ω, calculate the current flowing through the bulb.
A. 5 A
Correct B. 10 A
C. 15 A
D. 20 A

Correct Answer: B

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