Two exactly similar wires of steel (Y=20 xx 10^11 dy//cm^2) and copper (Y=12xx10^11dy//cm^2)are stretched by equal forces. If the total elongation is 1cm elongation of copper wire is

Two exactly similar wires of steel (Y=20 xx 10^11 dy//cm^2) and copper

1.	Two exactly similar wires of steel (Y=20 xx 10^11 dy//cm^2) and copper (Y=12xx10^11dy//cm^2)are stretched by equal forces. If the total elongation is 1cm elongation of copper wire is
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