The frequency of radiations emitted when electron falls from `n = 4` to `n = 1` in `H-\"atom\"`
Channel: Doubtnut
Date: 2020-01-19

The frequency of radiations emitted when electron falls from `n = 4` to `n = 1` in `H-\"atom\"` would be (Given `E_1` for `H = 2.18 xx 10^-18 J \"atom\"^-1` and `h = 6.625 xx 10^-34 Js`.)