Question

Hi mates ;)

What is tyndall effect and what is electrophoresis?

Answer 1

Hey mate..... (^_-)(^_-)(^o^)here is ur answer.
In the Tyndall effect, light passes through solution, but light is scattered when it passes through colloid.
In the Tyndall effect, light passes through solution, but light is scattered when it passes through colloid.
Tyndall Effect Definition
The Tyndall effect is the scattering of light as a light beam passes through a colloid. The individual suspension particles scatter and reflect light, making the beam visible.

The amount of scattering depends on the frequency of the light and density of the particles. As with Rayleigh scattering, blue light is scattered more strongly than red light by the Tyndall effect. Another way to look at it is that longer wavelength light is transmitted, while shorter wavelength light is reflected by scattering.


The size of the particles is what distinguishes a colloid from a true solution. For a mixture to be a colloid, the particles must be in the range of 1-1000 nanometers in diameter.

The Tyndall effect was first described by 19th-century physicist John Tyndall.

Tyndall Effect Examples
Shining a flashlight beam into a glass of milk is an excellent demonstration of the Tyndall effect. You might want to use skim milk or else dilute the milk with a bit of water so you can see the effect of the colloid particles on the light beam.
An example of how the Tyndall effect scatters blue light may be seen in the blue color of smoke from motorcycles or two-stroke engines.
The visible beam of headlights in fog is caused by the Tyndall effect. The water droplets scatter the light, making the headlight beams visible.
The Tyndall effect is used in commercial and lab settings to determine particle size of aerosols.
Opalescent glass displays the Tyndall effect. The glass appears blue, yet light that shines through it appears orange.
Blue eye color is from Tyndall scattering through the translucent layer over the eye's iris.

The blue color of the sky results from light scattering, but this is called Rayleigh scattering and not the Tyndall effect because the particles involved are molecules in air, which are smaller than particles in a colloid. Similarly, light scattering from dust particles is not due to the Tyndall effect because the particle sizes are too large.

Try It Yourself
Suspending flour or corn starch in water is an easy demonstration of the Tyndall effect. Normally, flour is off-white (slightly yellow). The liquid appears slightly blue because the particles scatter blue light more than red.
Hope this helps u
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Answer 2

Hii friend,

Here is your answer.....

(a)TYNDALL EFFECT:-

The phenomenon of scattering of light by the colloidal particles present in the colloidal solution is known as Tyndall effect.

(b)ELECTROPHORESIS:-

The movement of Sol particles from positive to negative or negative to positive dispersed phase in the dispersion medium.

This process is known as electrophoresis.

Hope this helps you a little!!!