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Two exactly similar wires of steel and copper are stretched by equal force. If the total elongation is 2 cm, then how much is the elongation in steel and copper wire respectively? Given, `Y_("steel")=20xx10^(11)"dyne/cm"^(2),Y_("copper")=12xx10^(11)"Dyne/cm"^(2)`

A

1.25 cm 0.75 cm

B

0.75 cm 1.25 cm

C

1.15 cm 0.85cm

D

0.85 cm 1.15 cm

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AAKASH INSTITUTE-MECHANICAL PROPERTIES OF SOLIDS-Assignment(Section-A)
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