The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....? Mcqs

The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....?

(A) Very high velocity

(B) Very low velocity

(C) Intermediate velocity

(D) All of these

Source: This question is taken from the Everyday Science