Using venier calipers, which of the following readings gives the correct measurement for the length of a rod?
- 4.1 cm
-
4.13cm
- 125 cm
- 1254 cm
The correct answer is: B
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).