My problems #11

. The pitch of a screw gauge is \(1 \ mm\) and there are \(100\) divisions on the circular scale. While measuring the diameter of a wire, the linear scale reads \(1 \) mm and \(47^{th}\) division on the circular scale coincides with the reference line. The length of the wire is \(5.6\) cm. Find the curved surface area in \(cm^2\) of the wire in appropriate number of significant figures assuming there is no zero error in the instrument

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