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2. A certain metal has a work function of 3.1 eV. The metal absorbed 4.96 x 103 J of light energy at a 200 nm.

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2. A certain metal has a work function of 3.1 eV. The metal absorbed 4.96 x 103 J of light energy at a 200 nm. a. How many electrons were emitted? Give your answer in absolute numbers. b. What is the kinetic energy of the electrons in eV? What is the de Broglie wavelength of these electrons in meters? c

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