Chemistry · 2017
JEE Main · 8 April 2017, Shift 1 · Q36
If the shortest wavelength in Lyman series of hydrogen atom is A, then the longest wavelength in Paschen series of He^+ is:
If the shortest wavelength in Lyman series of hydrogen atom is A, then the longest wavelength in Paschen series of $\displaystyle \mathrm{He}^{+}$is :
Official answer
(4)
$\displaystyle \frac{36 \mathrm{~A}}{7}$
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JEE Main 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.