Question

the main scale of a vernier callipers is calibrated in mm and 19 divisions of main scale are equal in length to 20 divisions of vernier scale.In measuring the diameter of a cylinder by this instrument, the main scale reads 35 divisions and 4 th division of vernier scale coincides with a main scale division.Find:
(i) least count
(ii) radius of cylinder

Answer 1

Answer:

least count

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