If 1e- of H-atom makes a transition of n=3 to ground state then calculate frequency of the spectrum? (RH= 109737 cm-1 )

If 1e- of H-atom makes a transition of n=3 to ground state then calcul

1.	If 1e- of H-atom makes a transition of n=3 to ground state then calculate frequency of the spectrum? (RH= 109737 cm-1 )
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