Question

In an instrument 25 divisions of the vernier scale coincides with 24
divisions of the main scale. 1 cm on main scale is divided into 20 equal
parts. Find the least count.
1) 0.2 m
2) 0.02 m
3) 0.002 cm
4) 2 x 10 m​

Answer 1

option b is right.

Explanation:

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