09.29: The diagram to the right shows the lowest four ene
p,k 17qxyinpo 17 aq-wrgy levels for an electron in a hypothetical atom. The electron is excited to the -1 eV level of the atom and transitions to the lowest energy state by emitting only two photons. Wh
7p,-1wyo ia71q nqkxp ich of the following energies could not belong to either of the photons?