A) 2mm
B) 4mm
C) 5mm
D) 6mm
Correct Answer: A
Solution :
[a] \[Y=\left( \frac{F}{A} \right)\times \frac{L}{\Delta L}\] \[\Rightarrow \Delta L\left( \frac{F}{A} \right)\frac{L}{Y}=\frac{8\times {{10}^{8}}\times 0.5}{2\times {{10}^{11}}}=2mm\]You need to login to perform this action.
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