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
Verified Correct Answer: B.
Physical Principles & Numerical Solution
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).
Source: Myschool Past Questions Archive (Record #63416)