Question

Which of the following statement is applicable for the Tyndall effect?

• A. The diameter of the dispersed particle is much smaller than the wavelength of the light used
• B. The diameter of the dispersed phase is much smaller than the wavelength of the light used
• C. The refractive indices of the dispersed phase is much smaller than the wavelength of the light used
• D. The refractive indices of the dispersed phase and the dispersion medium must differ greatly in

Hint:

The Tyndall effect is often used to distinguish between a solution and a colloidal suspension.

Answer 1

The Correct Option is D

The Tyndall effect occurs when light is scattered by particles in a colloid or suspension.
This scattering happens when the refractive indices of the dispersed phase and the dispersion medium differ significantly.
This difference causes the light to be scattered, making the path of light visible.