Light having a wavelength of 460 nm is incident on a cathode, and electrons are emitted from the metal surface. It is observed that the electrons may be prohibited from reaching the anode by applying a stopping potential of 0,72 ev. What is the work function of the metal in the cathode?
Light having a wavelength of 460 nm is incident on a cathode, and electrons are emitted from the metal surface. It is observed that the electrons may be prohibited from reaching the anode by applying a stopping potential of 0,72 ev. What is the work function of the metal in the cathode?
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