Answer: Option (C) is the correct answer.
Step-by-step explanation:
Nucleus of an atom consists of protons and neutrons. Whereas electrons revolve around the nucleus of the atom.
Protons are positively charged, neutrons have no charge and electrons are negatively charged. So, like charge of protons tend to oppose each other and as a result, electrostatic force of repulsion occurs.
This electrostatic force of repulsion is overcome by strong nuclear force which helps in binding of protons and neutrons into the nucleus.
Thus, we can conclude that the force that is most responsible for the stability of the atomic nucleus is strong nuclear force.