Ans fast now The given diagram indicates the energy levels of certain atom. When an electron moves from 2E level to E level, a photon of wavelength ⋏ is emitted. The wavelength of photon emitted during its transition from 4 E 3 level to E level is Share with your friends Share 0 Divyank Dixit answered this Dear Student, Please find attached solution. Regards 0 View Full Answer