Easy MCQ +4 / -1 PYQ · JEE Mains 2020

Tyndall effect is observed when:

  1. A The diameter of dispersed particles is similar to the wavelenght of light used. Correct answer
  2. B The diameter of dispersed particles is much smaller than the wavelength of light used.
  3. C The diameter of dispersed particles is much larger than the wavelength of light used.
  4. D The refractive index of dispersed phase is greater than that of the dispersion medium.

Solution

Diameter of dispersed particles should not be much smaller than wavelength of light used.

About this question

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

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