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The electron in a hydrogen atom makes a ...

The electron in a hydrogen atom makes a transition from an excited state to the fgeround state . Which of the following istrue ?

A

It's kinetic energy increases and it's potential and total enrgies decrease

B

It's kinetic energy decreases , potential energy increases and total energy remains same

C

It's kinetic and total energy decrease and its potential energy increase

D

It's kinetic, potential and total energy decreases

Text Solution

Verified by Experts

The correct Answer is:
A
`K.E. - 1/2 (Ze^2)/r, P.E. = (-Ze^2)/r`
`T.E. =- 1/2 (Ze^2)/r` .
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