Exam-style question
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What is the quark composition of a kaon (K+)?.
- A.us
- B.ud
- C.ds
- D.ss
Model answer
What a good answer should say
- us
Explanation
Why this works
A positively charged kaon (K+) is composed of an up quark and a strange antiquark, represented as us. This composition is significant in the study of mesons and their decay processes.
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