A) Neutron
B) Positron
C) Proton
D) \[\pi \]-meson
Correct Answer: B
Solution :
: Baryons are made of three quarks and mesons are made of one quark and one antiquark. On the other hand, leptons are not made of quarks. Neutron and proton are baryons. Positron is a lepton. \[\pi \]-meson is a meson.
You need to login to perform this action.
You will be redirected in
3 sec
