King12491 King12491

29-04-2024
Physics

contestada

When the circular scale of a screw gauge completes 2 rotations , it covers 1 mm over the pitch scale . The total number of the circular scale divisions is 50.The least count of the screw gauge in metre is?
A.10⁻⁵
B.10⁻⁴
C.10⁻³
D.10⁻²

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