Exam Body

Year

Subject

Paper Type

POST UTME CHRISTOPHER UNIVERSITY 2018 Physics | Objective

Are you preparing for POST UTME CHRISTOPHER UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2018 Physics (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1

A block of mass 2.5 kg is susp\ended from a spring with spring cons\tant 100 N/m. If the block is displaced by 0.05 m from its equilibrium position and released, what is the maximum speed of the block?

A. 0.5 m/s

B. 1.0 m/s

Correct C. 1.5 m/s

D. 2.0 m/s

Correct Answer: C

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

Question 2

A parallel plate capacitor has a capaci\tance of 10 μF. If a potential difference of 20 V is applied across it, what is the charge stored on the capacitor?

A. 0.2 C

Correct B. 0.4 C

C. 0.6 C

D. 0.8 C

Correct Answer: B

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

Question 3

A ray of light passes from air into a glass slab of re\fractive index 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?

A. 18°

Correct B. 20°

C. 22°

D. 24°

Correct Answer: B

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

Question 4

A circuit consists of a 10 Ω resistor, a 20 Ω resistor, and a 5 Ω resistor connected in series. If a voltage of 12 V is applied across the circuit, what is the current flowing through the 5 Ω resistor?

A. 0.4 A

B. 0.6 A

Correct C. 0.8 A

D. 1.0 A

Correct Answer: C

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

Question 5

A lens of focal length 20 cm forms an image of an object at a dis\tance of 30 cm. What is the magnification of the lens?

A. -0.5

B. -0.6

C. -0.7

Correct D. -0.8

Correct Answer: D

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

Question 6

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 subject 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

Correct C. 6 m/s^2

D. 8 m/s^2

Correct Answer: C

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

Question 7

A 10 μF capacitor is connected in series with a 20 Ω resistor and a 5 V battery. If the switch is closed at time t = 0, what is the current in the circuit at time t = 2 s?

A. 0.1 A

Correct B. 0.2 A

C. 0.3 A

D. 0.4 A

Correct Answer: B

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

Question 8

A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 30° above the horizontal. If the air resis\tance is negligible, what is the maximum height reached by the projectile?

A. 10 m

B. 15 m

Correct C. 20 m

D. 25 m

Correct Answer: C

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

Question 9

A 50 Ω resistor is connected in parallel with a 100 Ω resistor. If a voltage of 10 V is applied across the combination, what is the current in the 50 Ω resistor?

A. 0.2 A

Correct B. 0.4 A

C. 0.6 A

D. 0.8 A

Correct Answer: B

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

Question 10

A 5 μF capacitor is connected in series with a 10 Ω resistor and a 5 V battery. If the switch is closed at time t = 0, what is the charge on the capacitor at time t = 1 s?

A. 0.05 C

Correct B. 0.1 C

C. 0.15 C

D. 0.2 C

Correct Answer: B

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

Question 11

A particle of mass 2 kg is attached to a spring with spring cons\tant 10 N/m. It is displaced by 0.5 m from its equilibrium position and released from rest. Assuming the motion is simple harmonic, calculate the total energy of the particle at time t = 0.

A. 5 J

Correct B. 10 J

C. 15 J

D. 20 J

Correct Answer: B

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

Question 12

A capacitor of capaci\tance 10 μF is connected to a 5 V battery. Calculate the energy stored in the capacitor.

Correct A. 0.05 J

B. 0.1 J

C. 0.5 J

D. 1 J

Correct Answer: A

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

Question 13

A gas expands from an initial volume of 0.1 m³ to a final volume of 0.5 m³ at a cons\tant temperature of 300 K. Calculate the work done by the gas.

Correct A. -15 J

B. -10 J

C. -5 J

D. 0 J

Correct Answer: A

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

Question 14

A particle of mass 1 kg is moving in a circular path with a radius of 2 m. If the particle has a speed of 4 m/s, calculate the centripetal force acting on the particle.

A. 20 N

Correct B. 40 N

C. 60 N

D. 80 N

Correct Answer: B

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

Question 15

A capacitor of capaci\tance 20 μF is connected in parallel to a resistor of resis\tance 100 Ω. If a voltage of 10 V is applied across the circuit, calculate the current flowing through the resistor.

A. 0.1 A

Correct B. 0.2 A

C. 0.5 A

D. 1 A

Correct Answer: B

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

Question 16

A parallel plate capacitor has a capaci\tance of 2.5 μF. If a potential difference of 10 V is applied across the plates, calculate the charge stored on each plate.

A. 25 μC

Correct B. 50 μC

C. 75 μC

D. 100 μC

Correct Answer: B

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

Question 17

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. Calculate 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

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

Question 18

A radioactive sample decays from 100 g to 50 g in 2 hours. Calculate the half-life of the sample.

A. 1 hour

Correct B. 2 hours

C. 4 hours

D. 6 hours

Correct Answer: B

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

Question 19

A wave has a frequency of 50 Hz and a wavelength of 10 m. Calculate the speed of the wave.

A. 500 m/s

Correct B. 1000 m/s

C. 1500 m/s

D. 2000 m/s

Correct Answer: B

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

Question 20

A block of mass 5 kg is attached to a horizontal spring with a force cons\tant of 200 N/m. The block is displaced by 2 m from its equilibrium position and released from rest. Calculate 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

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

Question 21

A particle of mass 2 kg is moving in a circular path with a cons\tant speed of 4 m/s. If the radius of the path is 3 m, what is the magnitude of the centripetal acceleration?

A. 6 m/s^2

B. 8 m/s^2

Correct C. 10 m/s^2

D. 12 m/s^2

Correct Answer: C

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

Question 22

A magnetic field of 0.5 T is applied to a current-carrying wire. If the current in the wire is 2 A, what is the magnitude of the force experienced by the wire?

A. 0.5 N

B. 1 N

Correct C. 2 N

D. 4 N

Correct Answer: C

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

Question 23

A gas is heated from 300 K to 400 K. If the initial volume is 2 L, what is the final volume?

A. 2.5 L

Correct B. 3 L

C. 4 L

D. 5 L

Correct Answer: B

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

Question 24

A circuit consists of a 10 Ω resistor, a 20 Ω resistor, and a 5 Ω resistor connected in series. If a voltage of 12 V is applied across the circuit, what is the current in the circuit?

A. 0.5 A

Correct B. 1 A

C. 2 A

D. 3 A

Correct Answer: B

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

Question 25

A \sinusoidal voltage of 10 V is applied across a circuit. If the frequency of the voltage is 50 Hz, what is the impedance of the circuit?

A. 10 Ω

B. 20 Ω

Correct C. 30 Ω

D. 40 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