Consider the following portion of the energy-level diagram f…

Consider the following portion of the energy-level diagram for hydrogen:   n = 4   –0.1361 x 10–18 J   n = 3   –0.2420 x 10–18 J   n = 2   –0.5445 x 10–18 J   n = 1   –2.178 x 10–18 J For which of the following transitions does the light emitted have the longest wavelength?