The attached image shows current-versus-voltage curves for the photoelectric effect using light with a mix of three frequencies f₁, f2, and f3. Explain the graph and the shape of the curves in a few sentences. Include the meaning of the voltage-intercepts (-V) and which frequency is highest and lowest. Responses Photoelectric current J₁ J2 Js -Vol-Vo2 - Vos Photon intensity d = consta Applied voltage V
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Photoelectric effect -
It is the phenomenon of emission of electrons from the metal surface , when radiations of suitable frequency fall in them . The emitted electrons are called photo electrons and the current so produced is called secondary electrons .
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