Question

A vernier scale consists of 25 division on 12mm spacing and the main scale has 24 divisions on 12mm.what is the least count?​

Answer 1

Answer:

The value of one main scale division = 1/20 cm

The number of divisions on vernier scale = 25

L.C = Value of one main scale division / Number of divisions on vernier scale

     = (1/20) / 25 = 1/500 cm = 0.002 cm

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