What is the energy of each of the two photons produced in a proton-antiproton annihilation? use the following joules-to-electron-volts conversion 1ev = 1.602 × 10-19 j. the rest mass of a proton is 1.67 × 10 − 27 1.67 × 10 − 27 kg.

It should be d if not then c

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The best answer would be the first option a).