Q 12-12-021NEETJEE MainEasy
The angular momentum of the electron in the third Bohr orbit is
Answer: (B) $\dfrac{3h}{2\pi}$
Concept. Bohr's quantisation condition: $L = \dfrac{nh}{2\pi}$.
Step 1. Substitute $n = 3$. $L = \dfrac{3h}{2\pi}$.
Answer. $\dfrac{3h}{2\pi}$ (Option B).
Solution by Sreeraj P, M.Sc Physics