An electron in a hydrogen atom undergoes a transition from a higher energy level to a lower energy level.…
An electron in a hydrogen atom undergoes a transition from a higher energy level to a lower energy level. The incorrect statement of the following is
Kinetic energy of the electron increases
Velocity of the electron increases
Angular momentum of the electron remains constant
Wavelength of de-Broglie wave associated with the motion of electron decreases
Solution
As the radius of the orbit will change due to transition from a higher energy level to a lower energy level.
Therefore angular momentum $\mathrm{L}=m v r$ will not remain constant.