If scattering particles are 56 for 90o angle then find the number of particles at 60o angle.

According to scattering formulaN∝1sin4⁡(θ/2)⇒N2N1=sin⁡θ1/2sin⁡θ2/24⇒N2N1=sin⁡90∘2sin⁡60∘24=sin⁡45∘sin⁡30∘4 ⇒N2=(2)4×N1=4×56=224