A) \[\sqrt{\frac{2E}{Y}}\]
B) \[\sqrt{2EY}\]
C) EY
D) \[\frac{E}{Y}\]
Correct Answer: A
Solution :
Energy per unit volume \[=\frac{1}{2}\times \text{Y}\times {{(\text{strain)}}^{\text{2}}}\] \[\therefore \text{strain}=\sqrt{\frac{\text{2}E}{Y}}\]
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