Which of the following statements is true for nuclear forces?

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Accepted Answer

1. **Range:** Nuclear forces (strong interaction) are effective only over very short distances, typically of the order of femtometers ($10^{-15}$ m). Beyond this range, they drop to zero rapidly. This explains why nucleons are compactly held inside the nucleus .
2. **Law of Distance:** Unlike gravitational and electrostatic forces, nuclear forces do not obey the inverse square law ($F \propto 1/r^2$). Their dependence on distance is much more complex.
3. **Strength:** Within their effective range, nuclear forces are the strongest fundamental forces in nature, being approximately 100 times stronger than electromagnetic forces and much stronger than gravitational forces.

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