How the Einstein had solved the mystery of kinetic energy of ejected photo electron, describe in detail.
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Since light is bundled up into photons, Einstein theorized that when a photon falls on the surface of a metal, the entire photon's energy is transferred to the electron. A part of this energy is used to remove the electron from the metal atom's grasp and the rest is given to the ejected electron as kinetic energy.
Since light is bundled up into photons, Einstein theorized that when a photon falls on the surface of a metal, the entire photon's energy is transferred to the electron. A part of this energy is used to remove the electron from the metal atom's grasp and the rest is given to the ejected electron as kinetic energy
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