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.

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.