Exam Body

Year

Subject

Paper Type

POST UTME BOWEN UNIVERSITY 2025 Physics | Objective

Are you preparing for POST UTME BOWEN 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 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 acceleration of 2 m/s^2, what is the magnitude of the force acting on the particle?

A. 10 N

B. 12 N

Correct C. 15 N

D. 20 N

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 2

A 10 Ω resistor is connected in series with a 20 Ω resistor and a 30 Ω resistor. If a voltage of 12 V is applied across the circuit, what is the current flowing through the circuit?

A. 0.4 A

Correct B. 0.6 A

C. 0.8 A

D. 1 A

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 3

A wave has a frequency of 50 Hz and a wavelength of 0.1 m. What is the speed of the wave?

A. 5 m/s

B. 10 m/s

Correct C. 20 m/s

D. 50 m/s

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 4

A body is moving in a straight line with an initial velocity of 10 m/s and a uniform acceleration of 2 m/s^2. What is the velocity of the body after 5 seconds?

A. 12 m/s

B. 15 m/s

Correct C. 18 m/s

D. 20 m/s

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 5

A spring has a spring cons\tant of 100 N/m. If a force of 50 N is applied to the spring, what is the displacement of the spring?

A. 0.5 m

Correct B. 1 m

C. 2 m

D. 5 m

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 6

A particle of mass $m$ is moving in a circular orbit of radius $r$ under the influence of a magnetic field of strength $B$. If the particle's speed is $v$, what is the magnitude of the magnetic field?

Correct A. \frac{mv}{qr}

B. \frac{mv^2}{qr}

C. \frac{mv}{r^2}

D. \frac{mv^2}{r^2}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 7

A circuit consists of a resistor $R$, an inductor $L$, and a capacitor $C$ connected in series. If the circuit is driven by a \sinusoidal voltage source of frequency $\omega$, what is the impedance of the circuit?

Correct A. \sqrt{R^2 + $ \omega L - \frac{1}{\omega C} $^2}

B. \sqrt{R^2 + $ \omega L + \frac{1}{\omega C} $^2}

C. \sqrt{R^2 - $ \omega L - \frac{1}{\omega C} $^2}

D. \sqrt{R^2 - $ \omega L + \frac{1}{\omega C} $^2}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 8

A projectile is launched from the origin with an initial velocity $v_0$ at an angle $\theta$ above the horizontal. If the projectile lands at a dis\tance $d$ from the origin, what is the time of flight?

Correct A. \frac{2v_0 \sin \theta}{g}

B. \frac{2v_0 \cos \theta}{g}

C. \frac{2v_0 \sin \theta}{g^2}

D. \frac{2v_0 \cos \theta}{g^2}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 9

A s\tanding wave is formed by two waves of equal amplitude and frequency traveling in opposite directions. If the wavelength of each wave is $\lambda$, what is the wavelength of the s\tanding wave?

Correct A. \frac{\lambda}{2}

B. \lambda

C. 2\lambda

D. 4\lambda

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 10

A particle of mass $m$ is in a one-dimensional potential well of width $a$. If the particle's energy is $E$, what is the probability of finding the particle in the region $0 < x < a/2$?

Correct A. \frac{\int_0^{a/2} \psi^2(x) dx}{\int_0^a \psi^2(x) dx}

B. \frac{\int_0^{a/2} \psi^2(x) dx}{\int_0^{a/2} \psi^2(x) dx}

C. \frac{\int_0^a \psi^2(x) dx}{\int_0^{a/2} \psi^2(x) dx}

D. \frac{\int_0^{a/2} \psi^2(x) dx}{\int_0^{a/2} \psi^2(x) dx}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 11

A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. The particle is subject to a centripetal force $F_c$ given by $F_c = \frac{mv^2}{r}$. If the particle's speed is doubled to $2v$, what is the new centripetal force $F_{c,new}$?

Correct A. \frac{4mv^2}{r}

B. \frac{2mv^2}{r}

C. \frac{mv^2}{2r}

D. \frac{mv^2}{4r}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 12

A convex lens of focal length $f$ forms an image of an object at a dis\tance $u$ from the lens. If the object is moved to a dis\tance $2u$ from the lens, what is the new image dis\tance $v_{new}$?

A. \frac{f}{2}

Correct B. \frac{2f}{u}

C. \frac{f}{4}

D. \frac{4f}{u}

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 13

A block of mass $m$ is placed on a frictionless surface and attached to a horizontal spring with a spring cons\tant $k$. If the block is displaced by a dis\tance $x$ from its equilibrium position and released from rest, what is the resulting simple harmonic motion?

Correct A. \omega = \sqrt{\frac{k}{m}}

B. \omega = \sqrt{\frac{m}{k}}

C. \omega = \sqrt{\frac{k}{m}} \sin$ \omega t $

D. \omega = \sqrt{\frac{k}{m}} \cos$ \omega t $

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 14

A parallel plate capacitor consists of two plates of area $A$ separated by a dis\tance $d$. If a potential difference $V$ is applied across the plates, what is the capaci\tance $C$?

Correct A. \frac{\epsilon_0 A}{d}

B. \frac{\epsilon_0 A}{d^2}

C. \frac{\epsilon_0 d}{A}

D. \frac{\epsilon_0 d^2}{A}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 15

A body of mass $m$ is moving in a straight line with a velocity $v$. If the body is subjected to a cons\tant force $F$ for a time $t$, what is the resulting change in momentum $\Delta p$?

Correct A. \frac{Ft}{m}

B. \frac{Ft}{mv}

C. \frac{mv}{Ft}

D. \frac{Ft}{mv^2}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 16

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. 800 J

Correct B. 1600 J

C. 2400 J

D. 3200 J

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 17

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. If the particle is subject to a centripetal force of 10 N, calculate the time taken for the particle to complete one revolution.

A. 2 s

Correct B. 4 s

C. 6 s

D. 8 s

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 18

A beam of light is incident on a glass slab at an angle of 30°. If the re\fractive index of the glass is 1.5, calculate the angle of re\fraction.

A. 20°

Correct B. 25°

C. 30°

D. 35°

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 19

A gas is heated from 100 K to 300 K. If the initial volume is 2 L and the final volume is 5 L, calculate the work done by the gas.

A. 100 J

Correct B. 200 J

C. 300 J

D. 400 J

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 20

A particle of mass 1 kg is moving in a circular path of radius 1 m with a cons\tant speed of 3 m/s. If the particle is subject to a centripetal force of 15 N, calculate the time taken for the particle to complete one revolution.

A. 2 s

Correct B. 4 s

C. 6 s

D. 8 s

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 21

A beam of light is incident on a glass slab at an angle of 45°. If the re\fractive index of the glass is 1.8, calculate the angle of re\fraction.

A. 25°

Correct B. 30°

C. 35°

D. 40°

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 22

A gas is heated from 200 K to 400 K. If the initial volume is 3 L and the final volume is 6 L, calculate the work done by the gas.

A. 150 J

Correct B. 300 J

C. 450 J

D. 600 J

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 23

A particle of mass 0.5 kg is moving in a circular path of radius 1 m with a cons\tant speed of 2 m/s. If the particle is subject to a centripetal force of 5 N, calculate the time taken for the particle to complete one revolution.

A. 2 s

Correct B. 4 s

C. 6 s

D. 8 s

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 24

A light ray is incident on a glass slab at an angle of 45°. If the re\fractive index of glass is 1.5, calculate the angle of re\fraction.

Correct A. 30°

B. 45°

C. 60°

D. 75°

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 25

A 100 Ω resistor is connected in series with a 200 Ω resistor and a 50 Ω resistor. What is the total resis\tance?

A. 350 Ω

B. 450 Ω

Correct C. 550 Ω

D. 650 Ω

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

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:

Chat with Support