Exam-style question
Try this first
Which of the following statements is true regarding particle-antiparticle pairs?.
- A.They have the same mass and opposite charge.
- B.They have different masses and the same charge.
- C.They have the same charge and different masses.
- D.They have opposite masses and opposite charge.
Model answer
What a good answer should say
- They have the same mass and opposite charge.
Explanation
Why this works
Particle-antiparticle pairs, such as an electron and a positron, have identical masses but opposite charges.
Common mistake
No common mistake is linked to this question yet.