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Q.1. A gamma-ray photon annihilated to an electron and a positron, each with a kinetic energy of 175keV. a) Calculate the energy of the photon

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Q.1. A gamma-ray photon annihilated to an electron and a positron, each with a kinetic energy of 175keV. a) Calculate the energy of the photon in MeV. b) If the photon was scattered by an electron what would be the maximum energy loss

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