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A photon with a frequency of 5.35 E14 Hz strikes a photoemissive surface whose work function is 1.62 ev. Planck's constant is 4.14 E-15 eV s. a. Calculate the energy of the photon. b. Calculate the maximum kinetic energy of the ejected photoelectron. c. Calculate the threshold frequency for the material. Remember to show work and provide answers with correct units for full credit. (6 points)