A) \[\frac{r}{2}\]
B) \[\frac{r}{\sqrt{2}}\]
C) \[\frac{r}{\sqrt{3}}\]
D) \[\frac{r}{\sqrt{7}}\]
E) \[\sqrt{3r}\]
Correct Answer: C
Solution :
\[{{E}_{1}}=\frac{1}{{{h}^{2}}}\] ...(1)You need to login to perform this action.
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