11 – Matter and Radiation

2020-mcq-6

The quark content of a proton (p) and a neutron (n) are respectively given by,
(1) ssd, sdd (2) sdd, uus (3) ssd, uud (4) uud, udd (5) udd, uud

Lets we try to find the answer here.

Then the answer is uud, udd (4)