Test Academy | If nth division of main scale coincides with (n + 1)th division of vernier scale,find the least count of the vernier. Given one main scale division is equal to 'a' units. 2a/(n+1) units, a/(n+1) units, a/(n+2) units, a/n units

Question

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

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