Question

In a slide callipers, (m+1) numbers of vernier divisions is equal to m number of smallest main scale
divisions. If d unit is the magnitude of the smallest main scale division, then the magnitude of the vernier
constant is:
1)d/(m+1) unit
2)d/(m) unit
3)md/(m+1) unit
4)(m+1)d/m unit
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Answer 1

Answer:

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