Jamb Physics 2023 Past Questions and Answers

Question 21:

• JAMB 2023

Which of the following is NOT an example of elementary modern ?

A. Classical mechanics
B. Quantum mechanics
C. Special relativity
D. Nuclear physics

Question 22:

• JAMB 2023

Which of the following is an example of a couple?

A. All of the above.
B. The forces that are applied to the handle of a screwdriver when you twist it.
C. The forces that are applied to a cross wench to loosen or tighten the lug nuts on a wheel of a car.
D. The forces that are applied to the steering wheel of a car when you turn it.

Question 23:

• JAMB 2023

A positively charged particle is placed near a negatively charged particle. What is the direction of the electric force between the two particles?

A. The electric force is directed from the negative particle to the positive particle.
B. The electric force is zero.
C. The direction of the electric force cannot be determined.
D. The electric force is directed from the positive particle to the negative particle.

Question 24:

• JAMB 2023

When a water droplet is placed on a freshly cut piece of wood, it spreads out to form a thin layer because the wood is

A. Not at equilibrium with the water
B. Cohesive to water
C. At equilibrium with the water
D. Adhesive to water

Question 25:

• JAMB 2023

Which of the following statements is correct about the angle of dip at various points on Earth?

A. The angle of dip is zero at the equator and 90 degrees at the magnetic poles.
B. The angle of dip is greater at higher altitudes than at lower altitudes
C. The angle of dip is positive in the northern hemisphere and negative in the southern hemisphere.
D. The angle of dip is constant at all points on Earth