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Physics · 2018
JEE Main 2018 · 2018-04-08 Offline · Q25
If the series limit frequency of the Lyman series is ν_L, then the series limit frequency of the Pfund series is:
If the series limit frequency of the Lyman series is $\displaystyle \nu_{\mathrm{L}}$, then the series limit frequency of the Pfund series is :
Official answer
(4)
$\displaystyle \nu_{\mathrm{L}} / 25$
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.