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When the two jaws of a vernier callipers...

When the two jaws of a vernier callipers are in touch, zero of vernier scale lies to the right of zero of main scale and coinciding with vernier division `3`. If vernier constant is `0.1 mm`, the zero correction is

A

` - 0.03 cm`

B

`+ 0.03 cm`

C

`= 0.03 mm`

D

`+ 0.03 mm`

Text Solution

Verified by Experts

The correct Answer is:
(a)
As zero of vernier scale is to the right of zero of main scale, therefore, zero correction is negative. Its magnitude = `3xx0.1` mm = 0.3 mm = 0.03 cm
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