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In a vernier callipers, N divisions of v...

In a vernier callipers, N divisions of vernier scale coincide with (N-1) divisions of main scale (in which 1 division represents 1 mm). The least count of the instrument in cm should be

Text Solution

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Let 1 MSD be x
One varnier scale division `(VSD)= ((N-1)/(N))x`
Least count (LC)= 1 MSD-1 VSD
`implies = -((N-1)/(N))x= (x)/(N)`.
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