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Questions  

The first line in the Lyman series has wavelength λ. The wavelength of the first line in Balmer series is

a
29λ
b
92λ
c
527λ
d
275λ

detailed solution

Correct option is D

For first line in Lyman series λL1=43R…….(i)For first line in Balmer series, λB1=365R……(ii)From equations (i) and (ii),λB1λL1=275 ⇒λB1=275λL1 Thus,  λB1=275λ

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