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The pitch of a screw gauge is 1mm and th...

The pitch of a screw gauge is `1mm` and there are 100 divisions on the cirucular scale While measuring the diameter of a wire the linear scale reads `1mm` and `47th` division on the circular scale coincides with the reference line The length of the wire is `5.6cm` Find the curved surface area (in `cm^(2)`) of the wire in approprinta number of significant (use `pi = 22//7`) .

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The correct Answer is:
`2.6 cm^(2)`
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