Jamb Physics 2023 Past Questions and Answers

Question 6:

• JAMB 2023

The sensitivity of a thermometer is

A. All of the above
B. How quickly a temperature change can be detected
C. The difference between the maximum and the minimum temperature
D. The smallest temperature change that can be detected or measured

Question 7:

• JAMB 2023

The diagram above illustrates the penetrating power of some types of radiation. X, Y and Z are likely

A. X = α-particle; Y = γ-ray; Z = β-particle
B. X = α-particle; Y = β-particle; Z = γ-ray
C. X = γ-ray; Y = α-particle; Z = β-particle
D. X = β-particle; Y = γ-ray; Z = α-particle

Question 8:

• JAMB 2023

An explosion occurs at an altitude of 312 m above the ground. If the air temperature is -10.00°C, how long does it take the sound to reach the ground?

[velocity of sound at \(0^oC\) = 331 ms-1]

A. 0.94s
B. 0.96s
C. 0.93s
D. 0.95s

Question 9:

• JAMB 2023

A charge of \(4.6 × 10^{-5}\)C is placed in an electric field of intensity \(3.2 × 10^4\) \(Vm^{-1}\). What is the force acting on the electron?

A. 1.5 N
B. 3.7 N
C. 4.2 N
D. 2.5 N

Question 10:

• JAMB 2023

The branch of that deals with the motion of objects and the forces acting on them is called:

A. Electromagnetism
B. Thermodynamics
C. Mechanics
D. Quantum mechanics