What wavelength of light will be emitted from a hydrogen atom for an electron that falls from n = 5 to n = 2 ?
1 Answer
Aug 19, 2016
Explanation:
We can use the Rydberg Expression:
Putting in the numbers:
Transitions like this down to the n = 2 energy level form the "Balmer Series" of spectral lines.
These occur in the visible region of the electromagnetic spectrum.