●Tyndall effect : phenomenon of scattering of light due to colloidal solution » making its path visible is termed as Tyndall effect.
●When beam of light is passed through colloidal solution, » the beam of light is scattered » in such a way that its path or trajectory becomes visible.
●Intensity of effect depends on : density of colloidal particles as well as frequency of incident light.
●Blue light scattered to a greater extent than red light( as wavelength of blue light is smaller than that of red light.)
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