1.

What is the rest mass energies for electron, Ee, and positron, EP?

A. E<sub>e</sub> = 1.02 MeV, E<sub>P</sub> = 1.02 MeV
B. E<sub>e</sub> = 0.51 MeV, E<sub>P</sub> = 1.02 MeV
C. E<sub>e</sub> = 1.02 MeV, E<sub>P</sub> = 0.51 MeV
D. E<sub>e</sub> = 0.51 MeV, E<sub>P</sub> = 0.51 MeV
Answer» E.


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