Protons and neutrons are subatomic particles present in the nucleus of an atom. They are collectively called nucleons. Nuclear forces, which are also known as nuclear interactions, are the forces that act between two or more nucleons. The nuclear force is a short-range force and causes the stability of the nucleus. The nuclear force is one of the four fundamental forces of nature. The nuclear force is 10 million times stronger than the chemical binding forces, so they are also known as strong forces. The nuclear force is used in nuclear power plants to generate electricity.
Read More – Nuclear Force
Important Questions with Answers
1. What exactly is the nuclear force of attraction?
The nuclear force, commonly known as the strong nuclear force, is a force of attraction that keeps gluons and nucleons together. This force is attracting and charge-independent, meaning it acts on both charged and chargeless particles.
2. The nuclear force gets affected by charge.
- True
- False
Answer – b. False
Explanations – The nuclear force between two protons, two neutrons, or one neutron and one proton is the same. This means that the nuclear force is not affected by charge.
3. What is the difference between binding energy and nuclear force?
The difference between binding energy and nuclear force is given below:
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Binding Energy |
Nuclear Force |
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Binding energy is the total amount of energy that is necessary to separate a particle from the system of particles. |
The nuclear force is the force that acts between the neutron and proton of the atom. |
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Types of binding energy –
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Types of nuclear force –
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Binding energy is applicable to bound atoms and ions together in a crystal in finding nuclear fission and fusion. |
In nuclear power plants, advanced medical diagnosis, nuclear weapons and also nuclear force can be used to determine the age of the earth. |
4. Why is a powerful nuclear force repulsive?
To keep the protons together in such a small volume, the strong force must be extremely powerful. Within the nucleus, electromagnetic repulsion occurs between similar electric charges.
5. What exactly is nuclear binding energy?
Nuclear binding energy is the energy released by combining individual neutrons and protons into a single nucleus.
6. What are nucleons?
- The subatomic particles which are present inside the nucleus
- The sum of particles present in an atom
- The total number of atoms in an element
- None of these
Answer – a. The subatomic particles which are present inside the nucleus
Explanation – The protons and neutrons are subatomic particles that are present inside the nucleus of an atom. They are collectively called nucleons.
7. Nuclear force is a long-range force.
- True
- False
Answer – b. False
Explanation – A nuclear force is a type of short-range force. Also, it is a very strong and attractive type of force. The range of a nuclear force is 10 to 15 m.
8. What are the properties of nuclear force?
The properties of nuclear force are,
- The nuclear force is strongest and attractive in nature, along with a repulsive core.
- The range of a nuclear force is very short, 10 to 15 metres.
- For all nucleons, the nuclear force is identical.
- Nuclear force becomes repulsive, if the distance becomes 0.7 fermis.
9. Give an example of a strong nuclear force.
An example of a nuclear force is the binding of protons. Because of their positive charge, it is repulsive in nature.
10. The nuclear force is the force that binds the nucleus and atoms in an element together.
- True
- False
Answer – b. False
Explanations – The nuclear force is the force that binds the protons and neutrons in a nucleus together.
Practice Questions
- What is radioactive decay?
- Is nuclear force charge independent?
- State and explain types of nuclear force.
- Define the terms: nuclear fusion and nuclear fission.
- State and explain Coulomb’s law.
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