A) \[\left( 0.529 \right)n\lambda \]
B) \[\sqrt{n\lambda }\]
C) \[\left( 13.6 \right)\,\lambda \]
D) \[n\lambda \]
Correct Answer: D
Solution :
We know that \[mvr=\frac{nh}{2\pi }\] \[\Rightarrow \,\,\,\,\,\,\,\,\,\,2\pi r=\frac{nh}{mv}=\frac{nh}{p}\] We know that \[\lambda =\frac{h}{p}\,\,\,\Rightarrow \,\,p=\frac{h}{\lambda }\] \[\Rightarrow \] From Eq. (i), \[2\pi r=\frac{nh}{h/\lambda }=n\lambda \]
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