1.

What per cent of length of wire increases by applying a stress of 1 kg weight/ \[m{{m}^{2}}\]on it? (\[(Y=1\times {{10}^{11}}N/{{m}^{2}}\]and 1 kg weight\[=9.8\] newton)

A. 0.000067
B. 0.000098
C. 0.000088
D. 0.000078
Answer» C. 0.000088


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