A) \[2\pi r\]
B) \[\pi r\]
C) \[\frac{1}{2\pi r}\]
D) \[\frac{1}{4\pi r}\]
Correct Answer: A
Solution :
\[mvr=\frac{nh}{2\pi }\] According to Bohr?s theory Þ \[2\pi r=n\,\left( \frac{h}{mv} \right)=n\lambda \] for \[n=1\], \[\lambda =2\pi r\]You need to login to perform this action.
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