Exam-style question
Try this first
Which of the following statements correctly describes W bosons?.
- A.They have no mass and carry no charge.
- B.They are massive particles that can carry a positive or negative charge.
- C.They are always found in pairs.
- D.They are the lightest particles in the Standard Model.
Model answer
What a good answer should say
- They are massive particles that can carry a positive or negative charge.
Explanation
Why this works
W bosons are indeed massive and can exist as W+ or W- particles, which carry positive and negative charges, respectively. This is crucial for their role in weak interactions, confirming their nature as exchange particles.
Common mistake
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