What is the least count of a screw? Write its relationship with pitch of a screw.
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The least count is the smallest unit of measurement which an instrument can take accurately.
The least count of screw guage can be determined by the following way.
Pitch /total no of divisions on circular scale
Therefore 1/100
0.01mm
We can convert it into cm as,
0.001cm
Because 1cm=10mm
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