As an electron makes a transition from a...

As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom /ion

A

Its kinetic energy ,potential energy and total energy decrease

B

Kinetic energy , potential energy and total energy decreases

C

Kinetic energy decreases ,potentiall energy increases but total energy remains same

D

Kinetic energy and total energy decreases but potential energy increases

Verified by Experts

The correct Answer is:

A

KE = `(mZ^(2)e^(4))/(8epsilon_(0)^(2)n^(2)h^(2))`
`KE prop (Z^(2))/(n^(2))`
As n decrease (KE) `uarr` (PE) `darr` (Total energy ) `uarr` .

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