Jamb Physics Past Questions and Answers

Question 2351:

• JAMB 2023

Calculate the absolute pressure at the bottom of a lake at a depth of 32.8 m. Assume the density of the water is 1 x 10^3 kgm-3 and the air above is at a pressure of 101.3 kPa.

[Take g = 9.8 ms-2]

A. 422.7
B. 220.14
C. 464.53
D. 321.74

Question 2352:

• JAMB 2023

The terminals of a battery of emf 24.0 V and internal resistance of 1.0 Ω is connected to an external resistor 5.0 Ω. Find the terminal p.d.

A. 18.0V
B. 12.0V
C. 16.0V
D. 20.0V

Question 2353:

• JAMB 2023

A lorry accelerates uniformly in a straight line with acceleration of $4m{s}^{-}2$ and covers a distance of 250 m in a time interval of 10 s. How far will it travel in the next 10 s?

A. 650
B. 900
C. 800
D. 250

Question 2354:

• JAMB 2023

The half life of a radioactive material is 12 days. Calculate the decay constant.

A. 0.8663 $da{y}^{-1}$
B. 0.04331 $da{y}^{-1}$
C. 0.17325 $da{y}^{-1}$
D. 0.05775 $da{y}^{-1}$

Question 2355:

• JAMB 2023

The number of holes in an intrinsic semiconductor

A. Is not equal to the number of free electrons
B. Is greater than the number of free electrons
C. Is equal to the number of free electrons
D. Is less than the number of free electrons