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10 questions from this quiz
Same mass and rest energy, opposite charge
Positron
0.511 MeV
+1.6×10−19+1.6 \times 10^{-19}+1.6×10−19 C
They carry energy but have no mass
E=hfE = hfE=hf
6.63×10−346.63 \times 10^{-34}6.63×10−34 J s
Both convert to energy as two gamma photons
To conserve momentum
Greater than combined rest energy
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