This phenomenon explains why cigarette smoke appears blue,  for if a polychromatic beam of light is passed through a medium  containing particles with diameters less than one twentieth of  the wavelength of the light, the scattered light falls in the  blue region of the spectrum.
This phenomenon explains why cigarette smoke appears blue,  for if a polychromatic beam of light is passed through a medium  containing particles with diameters less than one twentieth of  the wavelength of the light, the scattered light falls in the  blue region of the spectrum. FTP, name this effect caused by  light -particle interaction.
This phenomenon explains why cigarette smoke appears blue,  for if a polychromatic beam of light is passed through a medium  containing particles with diameters less than one twentieth of  the wavelength of the light, the scattered light falls in the  blue region of the spectrum.
Tyndall effect