p40_040 - 40. (a) ∆E = −(13.6 eV)(4−2 − 1−2 ) =...

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Unformatted text preview: 40. (a) ∆E = −(13.6 eV)(4−2 − 1−2 ) = 12.8 eV. (b) The values of the photon energies are: E4→1 = ∆Epart (a) = 12.8 eV E3→1 E2→1 = = −(13.6 eV)(3−2 − 1−2 ) = 12.1 eV −(13.6 eV)(2−2 − 1−2 ) = 10.2 eV E4→2 E3→2 E4→3 = = = −(13.6 eV)(4−2 − 2−2 ) = 2.55 eV −(13.6 eV)(3−2 − 2−2 ) = 1.89 eV −(13.6 eV)(4−2 − 3−2 ) = 0.66 eV The various photon energies correspond to the transitions between energy levels indicated below. The levels are not drawn to scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ..... . .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ..... . .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . ... . . .. . .. .. . n=4 n=3 n=2 n=1 ...
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