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4or(3) A photon of energy 2.5 X10ReV hits an electron inside a crystal. A photon comes out of the crystal at an angle of 60

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4or(3) A photon of energy 2.5 X10ReV hits an electron inside a crystal. A photon comes out of the crystal at an angle of 60 degrees. J = 60 a) Find the energy (eV) of the emerging photon. EO = 2, 5) b) Find the kinetic energy (ev) of the electron. c) Find the speed, v/c, of the electron. Do you need special relativity? OlLylo

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