Question

as long as electron remains in an Orbit it is not EMIT or absorb energy. when does it emit or absorb energy?
​

Answer 1

• After absorbing energy electron become excited and transit to higher energy level ! It emit energy during transition from higher energy level to lower energy in the form of photon ! Hence losing its energy on its way back!

Answer 2

Answer:

after absorbing energy electron become excited and transit to higher energy level ! It emit energy during transition from higher energy level to lower energy in the form of photon ! Hence losing its energy on its way back.