Overall changes in volume and radii of a uniform cylindrical steel wire are 0.2 % and 0.002 % respec

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8.Mechanical Properties of Solids

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Overall changes in volume and radii of a uniform cylindrical steel wire are $0.2 \%$ and $0.002 \%$ respectively when subjected to some suitable force. Longitudinal tensile stress acting on the wire is ($Y = 2.0 × 10^{11} Nm^{-2}$)

A

$3.2 × 10^9 Nm^{-2}$

B

$3.2 × 10^7 Nm^{-2}$

C

$3.6 × 10^9 Nm^{-2}$

D

$4.08 × 10^3 Nm^{-3}$

Solution

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Standard 11

Physics

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