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Question

Find the least count of a screw gauge whose least count of linear scale is 1 mm and the circular scale is divided in 50 divisions and 2 entire rotations makes to 1 division on linear scale.


A

0.1mm

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B

0.01 mm

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C

0.02 mm

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D

0.2 mm

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Solution

The correct option is B

0.01 mm


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