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A work of 2times10^(-2) j , is done on a...

A work of `2times10^(-2) j` , is done on a wire of length `50cm` and area of cross-section `0.5mm^(2)` .If the young's modulus of the material of the wire is `2times10^(10)Nm^(-2)` , Then the wire must be
(A) elongated to `50.1414cm`
(B) contracted by `2.0mm`
(C) stretched by `0.707mm`
(D) of length changed to `49.193cm`

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