Measurements and Units - Jamb Physics Past Questions and Answers

Question 31:

• JAMB 1993

The external and internal diameter of a tube are measured as (32 ± 2)mm and (21 ± 1)mm respectively. Determine the percentage error in the thickness of the tube.

A. 27%
B. 14%
C. 9%
D. 3%

Question 32:

• JAMB 1994

What is the reading of the vernier calipers shown above

A. 1.79cm
B. 1.73cm
C. 1.39cm
D. 1.34cm

Question 33:

• JAMB 1995

Which of the following is the dimension of pressure?

A. ML^-1T^-2
B. MLT^-2
C. ML²T^-3
D. ML^-3

Question 34:

• JAMB 1995

Which of the following is the dimension of pressure?

A. ML^-1T^-2
B. MLT^-2
C. ML²T^-3
D. ML^-3

Question 35:

• JAMB 1997

At what respective values of X, Y and Z would the unit of force, the newton, be dimensionally equivalent to M^xL^yT^z?

A. -1, 1, 2
B. 1, 1, -2
C. 1, -1, 2
D. -1, 1, -2