Ratio of the wavelengths of first line of Lyman series and first line – McqOptions

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1.	Ratio of the wavelengths of first line of Lyman series and first line of Balmer series is [EAMCET (Engg.) 1995; MP PMT 1997]
A.	1: 3
B.	27 : 5
C.	5 : 27
D.	4 : 9
Answer» D. 4 : 9

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