The pitch of a screw gauge is 1mm the circular scale has 100 divisions In measurement of - Physics -

Question

The pitch of a screw gauge is 1mm & the circular scale has
100 divisions In measurement of the diameter of a wire, the main
scale reads 2mm & 45th mark on a circular scale coincides with
the base line FIND:[A] the least count [b] the diameter of the wire
plzz reply soon!

Vaibhav T. · Accepted Answer

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The pitch of a screw gauge is 1mm & the circular scale has 100 divisions. In measurement of the diameter of a wire, the main scale reads 2mm & 45th mark on a circular scale coincides with the base line.FIND:[A] the least count [b] the diameter of the wire.plzz reply soon!