Question
A positively charged meson consists of a quark and an antiquark.
What could be the quark and antiquark?
A charm and antiup
B down and antitop
C strange and antibottom
D up and antistrange
Answer/Explanation
Ans:
Question
Which combination of up (u) and down (d) quarks forms a proton?
A u u u B u u d C u d d D d d d
Answer/Explanation
Ans:
Question
Which particle is a fundamental particle?
A electron
B hadron
C neutron
D proton
Answer/Explanation
Question
Which diagram represents the quark composition of an antineutron?
Answer/Explanation
Question
The nuclei of common isotopes of hydrogen, helium, lithium and beryllium are shown. Which nucleus contains equal numbers of up and down quarks?
Answer/Explanation
Ans
B