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

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The correct Answer is:

B

Least count of screw gauge is L.C.
`="Pitch"/"Number of divisions on circular scale"`

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