Question
Force between the protons and neutrons in a nucleus is:
✓
Answer
CONCEPT:
Strong nuclear force: The strong attractive force which binds together the protons and neutrons in a nucleus is called a strong nuclear force.
Strong nuclear force: The strong attractive force which binds together the protons and neutrons in a nucleus is called a strong nuclear force.
- This force cannot be an electrostatic force because positively charged protons strongly repel each other at such a small separation of the order $10^{-15}m.$
- This strong nuclear force is the strongest of all the fundamental forces, about $100$ times stronger than the electromagnetic force.
- It is the strongest interaction known in nature, which is about $1038$ times stronger than the gravitational force.
- It is a short$-$range force that operates only over the size of the nucleus $(= 10^{-15}m).$
- It is basically an attractive force but becomes repulsive when the distance between the nucleons becomes less than $0.5$ fermi $(1$ fermi $= 10^{-15}m).$
- It varies inversely with some higher power $(> 2)$ of distance.
- It is a non$-$central and non-conservative force.
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