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Tyndal effect is observed when- (A) Di...

Tyndal effect is observed when-
(A) Diameter of dispersed particles is not much smaller than the wavelength of light used
(B) The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude
( C) Diameter of dispersed particles is much larger than the wavelength of the light used

A

a and b

B

a and c

C

b and c

D

a,b and c

Text Solution

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The correct Answer is:
A
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The Tyndall effect is observed only when following conditions are satisfied: (A) the diameter of the dispersed particles is much smaller than the wavelength of the light used. (B) the diameter of the dispersed particle is not much smaller than the wavelength of the light use (C) the refreactive indices of the dispersed phase and dispersion medium are almost similar in magnitude (D) the refractive indices of the dispersed phase and dispersion medium differ greatly in magnitude.

Tyndall effect is observed only when following conditions are satisfied: a) the diameter of the dispersed particles is much smaller than the wavelenght of the light used. b) the diameter of the dispersed particles is not much smaller than the wavelengh of the light used c) the refractive indices of the dispersed phase and dispersion medium are almost similar in magnitude. d) the refractive indices of the dispersed phase and dispersion medium differ greatly in magnitude

The Tyandall effect is observed only when following conditions are satisfied (a) The diameter of the dspersed particle is much smaller than the wavelength of the light used (b) The diameter of the dispersed particles isnot much smaller than the wavelength of the light uses (c ) The refractive indices of the dispersed phase and sispersion medium are almost similar in magnitude. (d) The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.

What happens when sixe of scatterer is much bigger than the wavelength of light ?

(a) True solutions do not exhibit tyndall effect. (r) in true solutions, size of solute particles is much smaller than the wavelength of light used.