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
0.1 mm
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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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