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Light with a wavelength of 6?5 nm strikes a photocell having a photoelectric surface with a work function of 1.25 eV. ai Calculate the maximum

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Light with a wavelength of 6?5 nm strikes a photocell having a photoelectric surface with a work function of 1.25 eV. ai Calculate the maximum kinetic energy of the ejected electrons [in joules]. [3] h) The cutoff potential needed to stop the electrons [1]

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