Exam-style question
Try this first
Which of the following statements is true regarding quark charges?.
- A.All quarks have a charge of +1
- B.Up quarks have a charge of +2/3
- C.Strange quarks have a charge of +1
- D.Down quarks have a charge of +2/3
Model answer
What a good answer should say
- Up quarks have a charge of +2/3.
Explanation
Why this works
The statement that up quarks have a charge of +2/3 is correct, while the other statements about quark charges are inaccurate according to the standard model.
Common mistake
No common mistake is linked to this question yet.