Incorrect statement for Tyndall effect is :-

Chemistry Surface Chemistry JEE Main 2022 Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.

The diameter of the dispersed particles is much smaller than the wavelength of the light used.

During projection of movies in the cinemas hall, Tyndall effect is noticed.

It is used to distinguish a true solution from a colloidal solution.

Text Solution

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The correct answer is:

The diameter of dispersed particle should be somewhat below or near the wavelength of light.

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