In a vernier callipers n divisions of its main scale match with (n+5) divisions on its vernier scale. Each division of the main scale is of x unit. Using the vernier principle, find the least count.

In a vernier callipers n divisions of its main scale match with (n+5)

1.	In a vernier callipers n divisions of its main scale match with (n+5) divisions on its vernier scale. Each division of the main scale is of x unit. Using the vernier principle, find the least count.
Answer» `X/(n+5)` `(2x)/(n+5)` `(5X)/(n+5)` `(7X)/(n+5)` Answer :C