what is photo electric effect? Law of photo electric 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.
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Ans. The Photoelectric effect is the emission of electrons when electromagnetic radiation such as light, hits a material.
If a photon's frequency is sufficient to knock off an electron , the collision produce the photoelectric effect.
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