Photoelectric effect

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In the photoelectric effect, a photon undergoes an interaction with an electron which is bound in an atom. In this interaction the incident photon completely disappears and an energetic photoelectron is ejected by the atom from one of its bound shells. The kinetic energy of the ejected photoelectron (Ee) is equal to the incident photon energy (hν) minus the binding energy of the photoelectron in its original shell (Eb). • Ee=hν-Eb • Therefore photoelectrons are only emmited by the photoelectric effect if photon reaches or exceeds a threshold energy - the binding energy of the electron - the work function of the 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Biezen

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