`He^(+)` is in `n^(th)` state. It emits two successive photons of wavelength `103.7nm` and `30.7nm`
Channel: Doubtnut
Date: 2020-01-03

`He^(+)` is in `n^(th)` state. It emits two successive photons of wavelength `103.7nm` and `30.7nm`, to come to ground state the value of `n` is: