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the least count of the main scale of a ...

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 :

A

50

B

500

C

200

D

100

Text Solution

Verified by Experts

The correct Answer is:
C
Least count of screw gauge `=("pitch")/("No. of division on vemier scale") rArr 5 mu m=("1 m m)/(N)`.
`N=200`.
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