Atomic Structure - Result Question 65
####41. Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?
(a) $3 s$
(b) $2 p$
(c) $2 s$
(d) $1 s$
(1984, 1M)
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Answer:
Correct Answer: 41. (d)
Solution:
- When electron jumps to lower orbit photons are emitted while photons are absorbed when electron jumps to higher orbit. $1 s$-orbital is the lower most, electron in this orbital can absorb photons but cannot emit.
