The scattering of light by very small particles suspended in a gas or liquid is known as the 'Tyndall Effect'.
Some of the examples of the Tyndall Effect are - the blue color of smoke coming out from the engine, the blue color of the sky, etc.
Law
Statement
Graham's Law
It states that the rates of diffusion of gases are inversely proportional to the square roots of their densities under similar conditions of temperature and pressure.
Stefan's Law
The total energy radiated from a black body is equal to the fourth power of its absolute temperature.
Avagadro's Law
It states that the equal volume of all gases under the same conditions of temperature and pressure contain an equal number of molecules.