Exam-style question
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What is the charge of an up quark?.
- A.0
- B.+1/3
- C.+2/3
- D.-1/3
Model answer
What a good answer should say
- +2/3
Explanation
Why this works
The up quark carries a charge of +2/3, which is essential for determining the overall charge of particles composed of quarks, such as protons and neutrons.
Common mistake
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