Dispersion || Scattering

in Rutherford scattering experiment for scattering angle of 180^(@) , what be the value of impact parameter?

Rainbow is formed due to (A) scattering and refraction (B) internal reflection and dispersion (C) reflection only (D) diffraction and dispersion

Dispersion by a prism||Dispersion without deviation||Deviation without dispersion||Examples on dispersion

Dispersion Of Light|Angle Of Dispersion|Dispersive Power

Problems on Prism||Angular Dispersion||Dispersion without Deviation||Deviation without Dispersion

Blue colour of the sky is due to a. Adsorption of light by dust particles b. Reflection of light by dust particles c. Scattering of light by dust particles d. Pressure of clouds which are a colloidal dispersion of water particles in air