Q. In Rutherford scattering experiment, what will be the correct angle for $\alpha$ scattering for an impact parameter b=0?
A) $90{^\circ}$
B) $270{^\circ}$
C) $0{^\circ}$
D) $180{^\circ}$
Explanation
(d) Impact parameter $b \propto \cot\frac{\theta}{2}$
Here b=0, hence, $\theta = \ 180^{0}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.