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12-12-2022
Physics

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for a particular metal surface, 4.20 ev is the minimum incident photon energy required to cause an electron to be emitted. if we shine ultraviolet light of wavelength 250 nm on the surface, (a) what is the maximum kinetic energy of the emitted electrons, (b) what is the stopping potential for this situation, and (c) what is the cutoff wavelength for this metal? g

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