Question

what will be the least count of vernier callipers if it has 20 division on its vernier scale

Answer 1

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A vernier callipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0.1 mm.

Answer 2

Answer:

A vernier callipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0.1 mm.