Exam-style question
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Which of the following is the quark composition of a pion (π+)?.
- A.uu
- B.ud
- C.du
- D.dd
Model answer
What a good answer should say
- ud
Explanation
Why this works
A positively charged pion (π+) consists of an up quark and a down antiquark, represented as ud. This is important for understanding mesons and their interactions.
Common mistake
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