Question

what is the cause of tyndall effect as shown by colloid

Answer 1

Tyndall effect refers to the scattering of light by colloidal particles. The intensity of the scattered light depends on the difference in the refractive indices of the dispersed phase and the dispersion medium. ... Therefore, they show distinct Tyndall effect.



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Answer 2

hey ...friend....
here is ur answer....

first we know that what is tyndall effect♥♥♥

★when a beam of light is passed through the colloidal solution its path becomes clearly visible and appers as blue light.It is due to scattering of light by the collidal particles.This is known as tyndall effect.
The phenomenon was observed by TYNDALL in 1869

in simple way:- tyndall effect may be defined as the scattering of light by the colloidal particles present in a colloidal solution.

now come to ur questions. .......♥♥♥♥

we take a simple experiment.....which is performed in the laboratory to see the scattering of light by a colloidal solution and distinguished between a true solution (free from any dust particles) and a colloidal solution.

The path of light is visible in the beaker containing colloidal solution (due to scattering) but no path is visible in the beaker containing true solution (as their is no scattering).


I think the following note will ur ans.....♥♥

♧so, Tyndall effect is observed only when the following two conditions are satisfied. :-

■The diameter of the dispresed particles is not much smaller as compared to the wavelength of the light used

■There is a large difference in the refractive indices of the dispersed phase and the dispersion medium.

hope it will help you. ..★★★★★★★★★★★

BE BRAINLY. ....♥♥♥

BY SILU12@......