Q. If and are one main scale and one Vernier scale and divisions on the main scale are equivalent to divisions of the Vernier, then

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A

The least count is .

B

The Vernier constant is .

C

The same vernier constant can be used for circular Verniers also.

D

The same vernier constant cannot be used for circular

Solution:

Least count

It is also called vernier constant.
So choices (1) and (2) are correct.
Choice (4) is wrong and choice (3) is correct, since for all vernier scales similar approach can be used.

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