A positron is an anti-particle of an electron, having the same mass bu – McqOptions

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1.	A positron is an anti-particle of an electron, having the same mass but opposite charge to electron. Then, the minimum energy released in annihilation of matter of a pair of an electron and a positron is nearly:
A.	2.01 MeV
B.	1.20 MeV
C.	1.02 MeV
D.	0.51 MeV
Answer» D. 0.51 MeV

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