Question: A rubidium surface has a work function of 2.16 [eV]. What is the maximum kinetic energy of ejected electrons if the incident light has a

A rubidium surface has a work function of 2.16 [eV]. What is the maximum kinetic energy of ejected electrons if the incident light has a wavelength of 413 [nm]? Give your answer in both Joules and electron Volts. What is the threshold wavelength for rubidium

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