A photon of 10.2eV energy collides with a hydrogen atom in ground state inelastically. After few microseconds, one more photon of energy 15 eV collides with the same hydrogen atom. Then what can be detected by a suitable detector? A.One photon of 10.2eV and an electron of energy 1.4 eV B.2 Photon of energy 10.2 eV C.1 Photon of 3.4eV and one electron of 1.4 eV D.2 Photon of energy 3.4 eV