Question

# pitch of screw gauge is 1 mm and there are 100 divisions on the circular scak. What measurin the diametcr of a wire, the linear scale reads, 1 mm and 47^{t} division on the circular scale coincide with the reference line. The lengthof the wire 155.6 cm. What will be the curved surface area (in cm^{2} of the wire in appropriate number of significant figures.

- 2.6 cm2
- 2.5848 cm2
- 2.585 cm
^{2} - 2.5 cm
^{2}

^{2}^{2}## The correct answer is: 2.6 cm2

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