Question Statement
In Rutherford scattering of alpha particles of energy $E$, the differential cross-section $\frac{d\sigma}{d\Omega}$ is proportional to:
(A)
\frac{1}{\sin^4(\theta/2)}
(B)
\frac{1}{\sin^2(\theta/2)}
(C)
\cos^4(\theta/2)
(D)
\frac{1}{\cos^2(\theta/2)}