Question

5. A vernier callipers has its main scale graduated in
mm and 10 divisions on its vernier scale are equal
in length to 9 mm. When the two jaws are in contact.
the zero of vernier scale is ahead of zero of main
scale and 3rd division of vernier scale coincides with
a main scale division. Find : (i) the least count and
(ii) the zero error of the vernier callipers. (pls help)​

Answer 1

Answer:

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