A steel wire of uniform diameter has len...

A steel wire of uniform diameter has length 2.5 m, mass 0.016 kg and density `7.9 times 10^3 kg.m^-3`. What will be the Young's modulus of steel if a load of 12 kg is needed to elongate the wire by 1.8 mm?

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The correct Answer is:

`2 times 10^11 N.m^-2`

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