A) \[10h/\pi \]
B) \[2.5h/\pi \]
C) \[25h/\pi \]
D) \[1.0h/\pi \]
Correct Answer: B
Solution :
[b] Angular momentum of en electron in \[{{n}^{th}}\] orbit is given by \[mvr=\frac{nh}{2\pi }\] For n= 5, we have Angular momentum of electron \[=\frac{5h}{2\pi }=\frac{2.5h}{\pi }\]
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