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Question: Answered & Verified by Expert
If $\mathrm{n}$ is the orbit number of the electron in a hydrogen atom, the correct statement among the following is
PhysicsAtomic PhysicsKCETKCET 2012
Options:
  • A electron energy varies as $\mathrm{n}^{2}$
  • B electron energy increases as $\mathrm{n}$ increases
  • C hydrogen emits infrared rays for the electron transition from $\mathrm{n}=\infty$ to $\mathrm{n}=1$
  • D electron energy is zero for $n=1$
Solution:
2533 Upvotes Verified Answer
The correct answer is: electron energy increases as $\mathrm{n}$ increases
$$
\mathrm{E}=-\frac{13.6}{\mathrm{n}^{2}} \mathrm{eV}
$$
Hence, electron energy increases as $n$ increases.

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