Exam-style question
Try this first
What is the charge of an up quark?.
- A.+2/3
- B.-1/3
- C.0
- D.+1
Model answer
What a good answer should say
- The charge of an up quark is +2/3.
Explanation
Why this works
The up quark has a defined charge of +2/3, which is a fundamental property of this particle in the standard model of particle physics.
Common mistake
No common mistake is linked to this question yet.