Can you explain photoelectric effect? 

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Sibaram Padhy

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The photoelectric effect refers to the emission, or ejection, of electrons from the surface of, generally, a metal in response to incident light.
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When a radiation with some frequency strikes on a metal electrons is ejected from it. The electrons ejected are called photoelectrons
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An easy approach to Physics

Light consist of tiny particles called photons. Each photon travel with speed of light. It's frequency does not change when travel from to another medium. The rest mass is zero. Each photon possesses energy and momentum. So, when these photons of high frequency incident upon negatively charged metallic...
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Light consist of tiny particles called photons. Each photon travel with speed of light. It's frequency does not change when travel from to another medium. The rest mass is zero. Each photon possesses energy and momentum. So, when these photons of high frequency incident upon negatively charged metallic surface, electrons are emitted. The ejected electrons called photo electrons and the phenomenon called as photo electric effect. read less
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An Experienced Trainer

When a radiation with some frequency strikes on a metal electrons is ejected from it. The electrons ejected are called photoelectrons. The effect is called Photo electric effect.
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