Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Nuclei

Question:

Distance between a proton and neutron is 10-13m. What can you say about them?

Options:

There exists Coulomb's repulsion force between them.

There exists nuclear attraction force between them.

There exists Coulomb's attraction force between them.

There exists no nuclear force between them.

Correct Answer:

There exists no nuclear force between them.

Explanation:

The nuclear forces between the nucleons fall to zero as their distance is more than a few fermimeters. (10-15 m)