CBSE 2025 · Region 7 · Set 1 · Q10 · 1 mark
Out of the four options given, in which transition will the emitted photon have the maximum wavelength?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \mathrm{n}=4$ to $\displaystyle \mathrm{n}=3$
AtomsThe Line Spectra of the Hydrogen AtomRemembermcqeasy
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.