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the least count of the main scale of a screw gauge is 1 m. the minimum number of divisions on its circular scale required to measure 5`mu m` diameter of a wire is :

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Least count of main scale of screw gauge =1mm
Least count of screw gauge
`=("Pitch")/("Number of division on circular scale")`
`5xx10^(-6)=(10^(-3))/N`
`=N=200`
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DISHA PUBLICATION-CHAPTERWISE NUMERIC /INTEGER ANSWER QUESTIONS-CHAPTER 29 : (COMMUNICATION SYSTEMS)
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