1.

In Lyman series the wavelength lambda of emitted radiation is given by (R is rydberg constant)

Answer»

`1/lambda=R(1/2^2-1/n^2), n=3,4,5,.....`
`1/lambda=R(1/3^2-1/n^2), n=4,5,6,.....`
`1/lambda=R(1/1^2-1/n^2), n=2,3,...`
`1/lambda=R(1/4^2-1/n^2), n=5,6,7,...`

ANSWER :C


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