Of the following, which is the best evidence for the wave nature of matter? (a) (b) (c) (d) (e) the photoelectric effect diffraction of neutrons by crystals x-ray diffraction by crystals the relationship between momentum and energy for an electron the compton effect () if a hydrogen atom is its 3rd excited state. then its ionization energy is (a) -0.54 ev (b) -0.86 ev (c) -1.51 ev (d) 0.54 ev (e) 0.86 ev (0 1.51 ev (g) none of the above.