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A photon beam of energy 12.1 eV is incid...

A photon beam of energy 12.1 eV is incident on a hydrogen atom. The orbit to which electron of H-atom be excited is

A

2nd orbit.

B

3rd orbit

C

4th orbit.

D

5th orbit.

Text Solution

Verified by Experts

The correct Answer is:
B
Hint Due to absorption of photon of energy 12.1 eV, energy of electron may become `(-13.6+12.1)eV=-1.5eV`, which is the energy of electron in 3rd orbit
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