What is the rest mass energy of an electron? (A) \( 1 \mathrm{eV} \...

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What is the rest mass energy of an electron?
(A) \( 1 \mathrm{eV} \)
(B) \( 0.51 \mathrm{MeV} \)
\( \mathrm{P} \)
(C) \( 931 \mathrm{MeV} \)
(D) None of these
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