Sudarshan posted an Question
April 10, 2020 • 18:03 pm 30 points
  • IIT JAM
  • Physics (PH)

An electron and a positron at rest annihilate each other and two -ray photons are emitted. the wavelength of the y-rays is given by (a) 2.4 Å (b) 0.048 Å (c) 24

An electron and a positron at rest annihilate each other and two -ray photons are emitted. The wavelength of the y-rays is given by (A) 2.4 Å (B) 0.048 Å (C) 24.0 A (D) 0.024 Å

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    Ruby negi Best Answer

    solution.. remember that electron and positron has same rest Mass energy..

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