chem1a-fall00-mt1b-Pines-exam

the minimum amount of energy a photon needs to eject

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Unformatted text preview: ect an electron from a metal M, occurs in the infrared at λ = 800nm. a) b) Sketch the photoelectric graph (i.e. Ekinetic vs. ν) for this metal using the given axes. What is the energy of an incident blue photon with λ = 400nm? Answer: c) What is the kinetic energy of an electron ejected from M by the photon in part b)? Answer: d) Calculate the de Broglie wavelength for the electron ejected in part c). Answer: e) 800 nm light corresponds to transition 3à1 in the energy level diagram shown below. What λ corresponds to the 4à1 transition? Answer:...
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