A hydrogen atom in an excited state emits a photon which has the longest wavelength of the Paschen series. Further emissions from the atom cannot include the
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a
Longest wavelength of the lymann series.
b
Second longest wavelength of the lymann series
c
Longest wavelength of the Balmer series
d
Second longest wavelength of the Balmer series.
answer is D.
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Detailed Solution
For Paschen series n1=33→2, 2→1 (or) 3→1 are possible but not 4→2 as it is in n = 3.