The nth division of main scale coincides with (n +1) th division of vernier scale. Given one main division is equal to 'a' units. Find the least count of the vernier.

If n^(th) division of main scale coincides with (n + 1)^(th) divisions of vernier scale. Given one main scale division is equal to 'a' units. Find the least count of the vernier.

If n^(th) division of main scale coincides with (n + 1)^(th) divisions of vernier scale. Given one main scale division is equal to 'a' units. Find the least count of the vernier.

If n^(th) division of main scale coincides with (n + 1)^(th) divisions of vernier scale. Given one main scale division is equal to 'a' units. Find the least count of the vernier.

The nth division of main " scale coincides with (n+1)th division of Vernier scale.Given one main scale division is equal to 'a' units.Then least count of Vernier is

In vernier callipers, m divisions of main scale with (m + 1) divisions of vernier scale. If each division of main scale is d units, the least count of the instrument is

In vernier callipers, m divisions of main scale with (m + 1) divisions of vernier scale. If each division of main scale is d units, the least count of the instrument is

N divisions on the main scale of a vernier calipers coincide with (N +1) division of the vernier scale. If each division of main scale is a units, then the least count of the calipers is :