Question

When an electron in Hydrogen atom revolves in stationary orbit, it


A) does not radiate light though its velocity changes.


B) does not radiate light and velocity remains unchanged
.

C) radiates light but its velocity is unchanged.


D) radiates light with the change of energy.​

Answer 1

Hyy Dude

As the electron, in the Hydrogen atom, revolves around the nucleus in a stationary orbit, it means the electrons does not jump from one orbit to another and thus it does not radiate light.

Also the electron moves in a circular orbit, although magnitude of its velocity remains the same but it continuously changes its direction. Hence we say that the velocity of electron changes when it revolves in a stationary orbit.

Hope it's helps you

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