The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from n = 2 to n…

1. $121.8 \mathrm{nm}$
2. $194.8 \mathrm{nm}$
3. $490.7 \mathrm{nm}$
4. $913.3 \mathrm{nm}$

Solution

Asked in: JEE Main 2021 (25 Feb Shift 2)

Practice more Atomic Physics questions on Aicharya