A photon of `10.2 eV`. Energy collides with a hydrogen atom in ground
Channel: Doubtnut
Date: 2020-04-12

A photon of `10.2 eV`. Energy collides with a hydrogen atom in ground state inelastically. After few microseconds one more photon of energy `15 e V` collides with the same hydrogen atom. Then what can be detected by a suitable detector.