is the frequency of the series limit of Lyman series,
is the frequency of the first line of Lyman series and
is the frequency of the series limit of the Balmer series. Then
Text Solution
Verified by ExpertsThe correct answer is:
A
For Lyman series

where
.
For the series limit of Lyman series, 

For the first line of Lyman series, 

For Balmer series

where 
For the series limit of Balmer series 

From equations (i), (ii) and (iii), we get

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