GENERAL KNOWLEDGE

Detailed explanation-1: -The nuclear force is powerfully attractive between nucleons at distances of about 1 femtometer (1×10−15 meters), but it rapidly decreases to insignificance at distances beyond about 2.5 fm. That is why protons start attracting each other with the strong nuclear force only when they are very nearby.

Detailed explanation-2: -Assertion: Nuclear forces are called short range forces. Reason: Nuclear forces operate over a very small distance i.e., 10 15 m or 1 fermi.

Detailed explanation-3: -The strong nuclear force is a very strong, attractive short-range (10-15 m) force that binds the protons and neutrons in the nuclei of atoms together. It is the strongest of the fundamental forces, but acts over a very short distance (10-15 m).

Detailed explanation-4: -Nuclear forces (also known as nuclear interactions) are the forces that act between two or more nucleons. They bind protons and neutrons ( together called nucleons) into the atomic nuclei. The nuclear force is a short-range force and causes the stability of the nucleus.

Detailed explanation-5: -Short range forces happen when the centers of the molecules are separated by three angstroms (10-8 cm) or less. Short range forces tend to be repulsive, where the long range forces that act outside the three angstroms range are attractive. Long range forces are also known as Van der Waals forces.