Jamb Physics Past Questions and Answers

Question 2356:

• JAMB 2023

Name the type of equilibrium for each position of the ball

A. A - unstable, B - neutral, C - stable
B. A - stable, B - neutral, C - unstable
C. A - stable, B - unstable, C - neutral
D. A - unstable, B - stable, C - neutral

Question 2357:

• JAMB 2023

Rainbow formation is as a result of the combination of which of the following phenomena?
(i) Reflection
(ii) Dispersion
(iii) Total internal reflection
(iv) Refraction

A. (ii) and (iv) only
B. (i), (iii) and (iv) only
C. (ii), (iii) and (iv) only
D. (i), (ii) and (iv) only

Question 2358:

• JAMB 2023

The surface temperature of a swimming pool on a warm day is 25ºC and the temperature at the bottom is 15ºC. If the swimming pool has a surface area of 620 $m^2$ and a depth of 1.5m. Find the rate at which energy is transferred by conduction from the surface to the bottom of the swimming pool.

[Thermal conductivity of water (k) = 0.6071 Wm-1K-1]

A. 2.5kw
B. 250kw
C. 300kw
D. 3.0kw

Question 2359:

• JAMB 2023

Which process is responsible for production of energy in stars?

A. Nuclear reaction
B. Nuclear fission
C. Nuclear fusion
D. Radioactive decay

Question 2360:

• JAMB 2023

How much net work is required to accelerate a 1200 kg car from 10$m{s}^{-1}$ to 15$m{s}^{-1}$

A. 1.95×${10}^{5}j$
B. 1.35×${10}^{4}j$
C. 7.5×${10}^{4}j$
D. 6.0×${10}^{4}j$