Units and Measurements: RE-NEET 2026

Medium· Measuring Instruments (Reading a Vernier Callipers)· +4 / −1

One main scale division of a Vernier calliper is equal to

1

mm and the number of divisions on the Vernier scale is

10

. When both the jaws touch each other, the Vernier scale shifts to the left of zero of the main scale in such a way that

4^{th}

Vernier division coincides with a division of the main scale. If this Vernier calliper measures the length of the wire to be

1

cm, the actual length of the wire is :

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