The electron in a hydrogen atom makes a ...

The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following satatement is true?

A

Its kinetic energy increases and its potential and total energies decrease.

B

Its kinetic energy decreases, potential energy increases, and its total energy remain the same.

C

Its kinetic and total energies decrease and its potential energy increases

D

Its kinetic, potential and total energies decrease

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The correct Answer is:

A

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