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24-04-2024
Physics

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he work function of a certain photoemissive material is 2.0 electronvolts. If 5.0-electronvolt photons are incident on the material, the maximum kinetic energy of the ejected photoelectrons will be A) 7.0 eV C) 3.0 eV B) 5.0 eV D) 2.5 e

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