A) \[{{Y}^{2}}\]
B) \[Y\]
C) \[\frac{1}{Y}\]
D) \[\frac{1}{{{Y}^{2}}}\]
Correct Answer: C
Solution :
Depression in the beam at the middle due to load W is \[\delta =\frac{W{{l}^{3}}}{4Yb{{d}^{3}}}\] or \[\delta \propto \frac{1}{Y}\]
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