Measurements and Units - Jamb Physics Past Questions and Answers

Question 46:

• JAMB 2009

I. Diameter of a small ball bearing.
II. Thickness of a pieces of paper.
III. Diameter of a measuring cylinder.
IV. Length of a piece of wire.
Which of the above can be measured using a micrometer screw gauge?

A. I, II and IV only .
B. I and II only
C. II and III only
D. III and IV only

Question 47:

• JAMB 2009

The value of x, y and z respectively in the expression M^xL^yT^z for the universal gravitational constant G are

A. 2, -3, -2
B. -1, 3, -2
C. -1, 2, -3
D. -2, -1, 3

Question 48:

• JAMB 2012

The inner diameter of a test tube can be measured accurately using a

A. Micrometer screw guage
B. Pair of dividers
C. Metre rule
D. Pair of vernier calipers

Question 49:

• JAMB 2012

The inner diameter of a test tube can be measured accurately using a

A. Micrometer screw guage
B. Pair of dividers
C. Metre rule
D. Pair of vernier calipers

Question 50:

• JAMB 2014

What is the least possible error encountered when taking measurement with a meter rule?

A. 0.1mm
B. 1.0mm
C. 0.5mm
D. 0.2mm