Exam-style question
Try this first
Which of the following is a particle-antiparticle pair?.
- A.Electron and positron
- B.Proton and neutron
- C.Neutrino and antineutrino
- D.Alpha particle and beta particle
Model answer
What a good answer should say
- Electron and positron
Explanation
Why this works
An electron and its antiparticle, the positron, have opposite charge properties, making them a particle-antiparticle pair.
Common mistake
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