Question

When a screw gauge of least count 0.01 mm is used
to measure the diameter of a wire, the reading on
the sleeve is found to be 1 mm and the reading on
the thimble is found to be 27 divisions.
(i) What isthe diameter of the wire in cm ?
(ii) If the zero error is + 0.005 cm, what is the correct diameter ?​

Answer 1

Answer:

When a screw gauge with a least count of 0.01 mm is used to measure the diameter of a wire, the reading on the sleeve is found to be 1 mm and the reading on the thimble is found to be 27 divisions

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