Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Incorrect statement for Tyndall effect is :

  1. A The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
  2. B The diameter of the dispersed particles is much smaller than the wavelength of the light used. Correct answer
  3. C During projection of movies in the cinemas hall, Tyndall effect is noticed.
  4. D It is used to distinguish a true solution from a colloidal solution.

Solution

For Tyndall effect, the diameter of the dispersed particles is not much smaller than the wavelength of the light used.

About this question

Subject: Chemistry · Chapter: Surface Chemistry · Topic: Adsorption

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