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Q.
In the lowest energy level of hydrogen atom, the electron has the angular momentum
Chhattisgarh PMTChhattisgarh PMT 2005
Solution:
Angular momentum of the electron for nth level $=\frac{n h}{2 \pi}$
For lowest energy level of $H_{2}, n=1$
$\therefore $ angular momentum $=\frac{h}{2 \pi}$