Recall that an up quark (u) has a charge of +2/3 and a down quark (has a charge of -1/3. Which of the following quark compositions describes a proton?
A. uuu
B. uud
C. udd
D. uuudd
Answer:B
Recall that an up quark (u) has a charge of +2/3 and a down quark (has a charge of -1/3. Which of the following quark compositions describes a proton?
A. uuu B. uud C. udd D. uuudd