Question

Strong nuclear forces act over _____ distances within atoms.


short

any

long

Answer 1

Shorter Distance..

Nucleons have a radius of about 0.8 fm. At short distances (less than 1.7 fm or so), the attractive nuclear force is stronger than the repulsive Coulomb force between protons; it thus overcomes the repulsion of protons within the nucleus.

This is the Correct answer..

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