Question

Two protons are attracting each other, then separation between them is

• A. $10^{-10}m$
• B. $10^{-2}m$
• C. $10^{-8}m$
• D. $10^{-15}m$

Answer 1

Answer: (D)

Nuclear force is attractive in nature and exists only for a short distance $\sim 10^{-15}m$. It becomes repulsive when nucleons come very close.