Nuclear Physics and RadioactivityMedium
Question
A γ ray photon produces an electron positron pair, If the rest mass energy of electron is 0.51 Mev and the total kinetic energy of electron-positron pair is 0.78 MeV then the energy of γ-ray photon in Mev is :-
Options
A.0.78
B.1.8
C.1.28
D.0.28
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