Home Physics Atomic and Nuclear Physics MHT CET Previous Year Question When an electron in Hydrogen atom revolves i…
Physics Atomic and Nuclear Physics MHT CET Previous Year Question MCQ (Single Correct)

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

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Text Solution

Verified by Experts
The correct answer is:
A

Electrons can revolve around the nucleus in stationary orbits only which are non-radiating. Energy is radiated only when an electron jumps from an outer stationary orbit to inner stationary orbit. Velocity of electron changes while revolving in stationary orbits but energy remains constant.

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