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Least count of screw gauge is defined as...

Least count of screw gauge is defined as.

A

`("distance moved by thimble on main scale")/("number of rotation of thimble")`

B

`("pitch of the screw") /(" number of divisions on circular scale")`

C

`("number of rotation of thimble") /(" number of circular scale divisions")`

D

None of the above.

Text Solution

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The correct Answer is:
B
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