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P Rodríguez-Montero1, C M Gómez-Sarabia, J Ojeda-Castañeda

  • 1National Institute for Astrophysics, Optics and Electronics, PB 216, Puebla 72000, Puebla, México. ponciano@inaoep.mx

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...