67th B.P.S.C. (Pre) Re-Exam, 2022
Which fundamental particles are present in the nucleus of an atom?
aElectron and neutron
bElectron and proton
cProton and neutron✓ Correct
dElectron only
eNone of the above/More than one of the above
Explanation
The atomic nucleus is made up of protons and neutrons. The mass of the nucleus is due to protons and neutrons, and the positive charge of the nucleus is only due to protons. Protons and neutrons together are called nucleons, because they are the constituents of the atomic nucleus.
general-science