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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.

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detailed solution

Correct option is D

For Paschen series n1=33→2,        2→1       (or)     3→1 are  possible but  not 4→2  as it is in n = 3.


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How much energy is required to take a hydrogen atom from its ground state to excited state where it subsequently emits radiation of six different wavelength?


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