A) \[\sqrt{56}\left( \frac{h}{2\pi } \right)\]
B) \[57\left( \frac{h}{2\pi } \right)\]
C) \[42\left( \frac{h}{2\pi } \right)\]
D) \[7\left( \frac{h}{2\pi } \right)\]
Correct Answer: A
Solution :
\[L=\sqrt{l(l+1)}\cdot \frac{h}{2\pi }=\sqrt{7\times 8}\frac{h}{2\pi }=\sqrt{56}\frac{h}{2\pi }\]You need to login to perform this action.
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