Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

Question

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon? (A) 3s (B) 2p (C) 2s (D) 1s

Tardigrade Admin · Accepted Answer

When electron jumps to lower orbit photons are emitted while photons are absorbed when electron jumps to higher orbit.1s-orbital is the lower most, electron in this orbital can absorb photons but cannot emit.

Q. Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

3s

2p

2s

1s

When electron jumps to lower orbit photons are emitted while photons are absorbed when electron jumps to higher orbit.1s-orbital is the lower most, electron in this orbital can absorb photons but cannot emit.