Mass of a positron is same as that of a/an__________________?
Correct answer: A. Electron
- A. Electron
- B. α-particle
- C. Proton
- D. Neutron
Explanation
A positron is the antimatter counterpart of an electron and has the same mass, but opposite electric charge. Its mass is therefore not equal to that of a proton, neutron, or alpha particle.
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