CBSE 2023 · Region 1 · Set 1 · Q11 · 1 mark
Hydrogen atom initially in the ground state, absorbs a photon which excites it to $\displaystyle \mathrm{n}=5$ level. The wavelength of the photon is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 95$ nm
AtomsThe Line Spectra of the Hydrogen AtomApplymcqmedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.