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A screw gauge gives the following readin...

A screw gauge gives the following reading when used to measure the diameter of a wire. Main scale reading `=0mm`, circular scale reading `=52` divisions. Given that `1mm` on main scale corresponds to `100` divisions of the circular scale. The diameter of the wire from the above data is

A

`0.052cm`

B

`0.026cm`

C

`0.005cm`

D

`0.52cm`

Text Solution

Verified by Experts

The correct Answer is:
A
Diameter of wire,
`d=MSR+CSRxxLC`
`=0+52xx(1)/(100)=0.52mm`
`=0.052cm`
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