09.29: The diagram to the right shows the lowest four energy
;h4k hhjd2f, wt5u ks8 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. Which
tk5uw kfsh, hdh8; 42j of the following energies could not belong to either of the photons?