What is photo electric effect?
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Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.
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Shares. When a photon (Y) strikes an electron (E), it knocks it loose and creates a photoelectron. (Image: © general-fmv) The photoelectric effect refers to what happens when electrons are emitted from a material that has absorbed electromagnetic radiation.
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