Q. Deflection back of a few particles on hitting thin foil of gold shows that
A) Nucleus is heavy
B) Nucleus is small
C) Both (a) and (b)
D) Electrons create hinderance in the movement of $\alpha$- particles.
Explanation
(c)
Deflection back shows that the nucleus is heavy but of only a few particles shows that nucleus is small.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.