ryanmoorebbc6633 ryanmoorebbc6633

06-12-2022
Physics

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the work function for lead is 4.14 ev. ultraviolet light of wavelength 153 nm is incident on the clean surface of a lead sample. we wish to predict the stopping voltage we will need for electrons ejected from the surface. (a) what is the photon energy of the ultraviolet light?

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