TS EAMCET · Physics · Atomic Physics
If an electron is moving in the \(4^{\text {th }}\) orbit of the hydrogen atom then the angular momentum of the electron in SI units is
- A \(\frac{h}{\pi}\)
- B \(\frac{2h}{\pi}\)
- C \(\frac{4h}{\pi}\)
- D \(\frac{h}{2\pi}\)
Answer & Solution
Correct Answer
(B) \(\frac{2h}{\pi}\)
Step-by-step Solution
Detailed explanation
Given, \(\mathrm{n}=4\) \(\begin{aligned} & \text { Angular momentum, } \mathrm{L}=\mathrm{n} \frac{\mathrm{h}}{2 \pi} \\ & =4 \times \frac{\mathrm{h}}{2 \pi} \\ & =\frac{2 \mathrm{~h}}{\pi} \end{aligned}\)
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