1.

The frequency f of certain line of the Lyman series of the atomic spectrum of hydrogen satisfies the following conditions: (i) it is the sum of the frequencies of another Lyman line and a Balmer line, (ii) it is the sum of the frequencies of a Lyman line, a Balmer line and a Paschen line, (iii) it is the sum of the frequencies of a Lyman and a Paschen line but no Brackett line. To what transition does f correspond?

Answer»

`n_(2)=3 to n_(1)= 1`
`n_(2)=3 to n_(1)= 2`
`n_(2)=2 to n_(1)= 1`
`n_(2)=4 to n_(1)= 1`

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