The ratio of the wavelengths for `2 rarr 1` transition in `Li^(++), He – InterviewSolution

InterviewSolution

1.	The ratio of the wavelengths for `2 rarr 1` transition in `Li^(++), He^(+)` and `H` isA. `1:2:3`B. `1:4:9`C. `2:9:36`D. `3:2:1`
Answer» Correct Answer - C `(1)/(lambda)=RZ^(2)((1)/(n_(1)^(2))-(1)/(n_(2)^(2)))rArrlambdaprop(1)/(Z^(2))` `lambda_(Li^(++)):lambda_("He"^(+)):lambda_(H)=4:9:36`

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