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Brownian Motion

Tyndall effec...

Question

Tyndall effect is thethrough the colloidal system whereas, Brownian movement is the of particles in the fluid.

A

scattering of light

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B

absorption of light

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C

random motion

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D

straightline motion

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Solution

The correct options are
A scattering of light
C random motion
The scattering of a beam of light by the particles in a colloid or a suspension is called the Tyndall effect.

The zig-zag or random motion of colloidal particles in a gas or liquid medium is known as Brownian movement.

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Q. Scattering of light by colloidal particles is called Tyndall effect.

Q. The phenomenon of _____ motion of colloidal particles is known as brownian movement .

Q. Defenitions of
(i)Scattering of light
(ii) Tyndall effect
by the term "colloidal particles" in the definition of tyndall effect, what do we mean? Does it include particles such as air molecules, water droplets, dust particles, or just the colloidal particles found in colloids?

Q. Assertion :All colloidal dispersions give very low osmotic pressure and show very small freezing point depression or boilling point elevation. Reason: Tyndall effect is due to scattering of light from the surface of colloidal particles.

Q. Tyndall effect takes place due to scattering of light by colloidal particles.

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