Using venier calipers; which of the following readings gives the correct measurement for the length of a rod?

A. 4.1 cm
B. 4.13cm
C. 125 cm
D. 1254 cm

Correct Answer:

Option B = 4.13cm

Explanation

Vernier calipers commonly used in industry provide a precision to 0.01 mm (10 micrometres), or 0.01cm or one thousandth of an inch.

Usually, it is the total length of the main scale. Vernier calipers, generally, have a range of 300 mm

300 millimeters equal 30.0 centimeters (300mm = 30.0cm).