Question

Hello Users..✋✋
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Please Describe Tyndall effect and Brownian Movement ???

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Answer 1

Tyndall effect means the scattering of light when it is passed through a colloidal solution.
Brownian motion means the zig zag movement of particles suspended in a liquid (or gas) .
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Answer 2

Brownian movement -
Zsigmondy observed that particles of dispersed phase of collidal show the regular motion in zig zag way like pollen grain. In honour of Robert Brown this random motion of collidal particles named as brownian movement.

TYNDALL EFFECT -
When a beam of light is incident on a solution nd observed in the direction of light it appears clear bt when it is observed from a direction at right angles to the direction of light beam, it appears perfectly black. When the light beam is seen from the direction opposite to the incident light, a bright cone of light is visible known as tendall cone. The scattering of light by colloidal solutions is known as TYNDALL EFFECT.


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