Q148 / 150 · MHT CET 2016 · Physics

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

Correct answer
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.

Solution

For an electron revolving in stationary orbits it doesn't radiate light through its velocity change.

Hence, the correct answer is option: 'A'.

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