1.

The difference in the frequency of series limit of Lyman series and frequency of Balmer series is equal to the frequency of the first line of the ...... series.

Answer»

PASCHEN
Lyman
Brackett
Pfund

Solution :`(1)/(lamda_(L))=R[(1)/(1^(2))-(1)/(OO^(2))]` limit of Lyman SERIES
`:.(CR)/(lamda_(L))=cR[1-0]"":.f_(L)=cR`
For Balmer series `(1)/(lamda_(B))=R[(1)/(2^(2))-(1)/(oo^(2))]`
`:.(c)/(lamda_(B))=cR[(1)/(4)]`
`:.f_(B)=(cR)/(4)`
`:.f_(L)-f_(B)=cR[(1)/(1^(2))-(1)/((2)^(2))]`
=Frewquency of first line of Lyman series


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