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Line 16: == Photoelectric work function == The [[photoelectric effect]] work function is the minimum energy required to cause the emission of an electron from a particular metal's surface. If a [[photon]] is incident on the metal and has an energy greater than the work function then electrons in the metal can escape from the surface and [[photoelectric emission]] occurs. Any excess energy is given to the electron as kinetic energy. Photoelectric work function:

Work function: Difference between revisions