what is tyndall effect?how it is caused?what are the condition required to see the tyndall effect?
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Tyndall effect is the effect in which scattering of light is seen by the particles present in colloid or in very fine suspension. Conditions that are necessary for Tyndall effect to take place are: The diameter of the particles in dispersed phase should not be much smaller than the wavelength of light used.
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The Tyndall effect is light scattering by particles in a colloid or in a very fine suspension. Also known as Willis–Tyndall scattering, it is similar to Rayleigh scattering, in that the intensity of the scattered light is inversely proportional to the fourth power of the wavelength, so blue light is scattered much more strongly than red light. An example in everyday life is the blue colour sometimes seen in the smoke emitted by motorcycles, in particular two-stroke machines where the burnt engine oil provides these particles.
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