Class 12 Exam  >  Class 12 Videos  >  L6 : Nuclear force - Nuclie, Physics, Class 12

L6 : Nuclear force - Nuclie, Physics, Class 12 Video Lecture

FAQs on L6 : Nuclear force - Nuclie, Physics, Class 12 Video Lecture

1. What is nuclear force?
Ans. Nuclear force is the force that binds protons and neutrons together in the nucleus of an atom. It is one of the four fundamental forces of nature, along with gravity, electromagnetic force, and weak nuclear force.
2. How does the nuclear force work?
Ans. The nuclear force is a short-range force that acts between nucleons (protons and neutrons) within the atomic nucleus. It is a residual strong force that arises due to the exchange of virtual particles called mesons. This force is attractive and overcomes the electrostatic repulsion between protons, allowing the nucleus to remain stable.
3. What is the role of nuclear force in the stability of the nucleus?
Ans. The nuclear force is crucial for the stability of the nucleus. It acts as a binding force between protons and neutrons, overpowering the electrostatic repulsion between protons. Without the nuclear force, the positively charged protons would repel each other, leading to the disintegration of the nucleus.
4. Is the nuclear force stronger than other fundamental forces?
Ans. Yes, the nuclear force is the strongest among the four fundamental forces of nature. It is approximately 100 times stronger than the electromagnetic force and acts over a very short range, limited to the size of the atomic nucleus.
5. Can nuclear force be observed directly?
Ans. No, the nuclear force cannot be observed directly. It is an indirect force that can only be inferred through its effects on the stability and behavior of atomic nuclei. Experimental evidence and theoretical calculations support the existence of the nuclear force, but it cannot be directly measured or observed.
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