Measurements and Units - Jamb Physics Past Questions and Answers

Question 51:

• 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

Question 52:

• JAMB 2015

The external parts of an object can be measure accurately through the use of which scientific instrument?

A. Micrometer screw gauge
B. Vernier Caliper
C. Meter rule
D. None of the instrument

Question 53:

• JAMB 2015

At what respective value of a, b, and c would the unit of work, the joule, be dimensionally similar to M^a L^b T^c?

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

Question 54:

• JAMB 2015

What is the S.I unit of relative density?

A. Kg m^-2
B. Kg m²
C. Kg cm³
D. Has no S.I unit

Question 55:

• JAMB 2016

From the diagram above, the measuring accuracy of the micrometer screw gauge is

A. 4.78mm
B. 4.16mm
C. 4.66mm
D. 4.70mm