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Interpretation: Production of energy as photons when a positron and an electron annihilate each other is given. Assuming the both gamma rays have the same energy, the wavelength of the
Concept introduction: Positron is an antiparticle of electron. When they both meet, they annihilate each other by the production of gamma rays. There is conservation of electric charge, linear momentum and total energy during the annihilation process.
To determine: The wavelength of the electromagnetic radiation produced.
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