CBSE 2022 · Region 5 · Set 3 · Q5 · 3 marks
An electron in a hydrogen atom makes transitions from orbits of higher energies to orbits of lower energies.(i)When will such transitions result in (a) Lyman (b) Balmer series ?(ii)Find the ratio of the longest wavelength in Lyman series to the shortest wavelength in Balmer series.
An electron in a hydrogen atom makes transitions from orbits of higher energies to orbits of lower energies.
(i)
When will such transitions result in (a) Lyman (b) Balmer series ?
(ii)
Find the ratio of the longest wavelength in Lyman series to the shortest wavelength in Balmer series.
Marking-scheme solution
(ii) Ratio of wave length $\displaystyle 2$
AtomsThe Line Spectra of the Hydrogen AtomApplyshort_answermedium
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CBSE Class 12 Physics past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.