what is photoelectric effect?
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The photoelectric effect is the emission of electrons when electromagnetic radiation, such as light, hits a material. Electrons emitted in this manner are called photoelectrons. This phenomenon is commonly studied in electronic physics and in fields of chemistry such as quantum chemistry and electrochemistry.
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When light of some suitable frequency falls on a metal surface, the electrons are emitted out from the metal surface. This phenomenon is called as photoelectric effect.
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