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A compressive force is applied to a unif...

A compressive force is applied to a uniform rod of rectangular cross-section so that its length decreases by 1%. If the Poisson's ratio for the material of the rod be 0.2, which of the following statements is correct ? "The volume approximately......."

A

decreases by 1%

B

decreases by 0.8%

C

decreases by 0.6%

D

increases by 0.2%

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