(C) The Tyndall effect is the scattering of light by particles in a colloid or a very fine suspension. It is observed when the diameter of the dispers

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The diameter of dispersed particles is similar to the wavelength of light used

(C) The Tyndall effect is the scattering of light by particles in a colloid or a very fine suspension. It is observed when the diameter of the dispersed particles is comparable to (similar to) the wavelength of the light used.

Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

Medium

Tyndall effect is observed when

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A
The diameter of dispersed particles is much smaller than the wavelength of light used
B
The diameter of dispersed particles is much larger than the wavelength of light used
C
The diameter of dispersed particles is similar to the wavelength of light used
D
The refractive index of dispersed phase is greater than that of the dispersion medium