Tyndall Effect


 
 
Concept Explanation
 

Tyndall Effect

The Tyndall effect is scattering of light by particles in a colloid or in a very fine suspension. The effect exhibited by all colloidal solutions and some very fine suspensions.

  • The intensity of scattered light depends on the density of the colloidal particles  as well as the frequency of the incident light.
  • Many colloids scatter light. This means that a beam of light passing through such a colloid can be seen. If a beam of light is passed through a colloid kept in a dark room, the path of light through it can be seen due to the scattering of light by the colloidal particles.
  • This scattering of light by colloidal particles is known as Tyndall effect.
  • A true solution does not scatter light, i.e., it does not show the Tyndall effect.
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    Sample Questions
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    Question : 1

    Light do not reflect from which of the following ________________

     

     

     

    Right Option : B
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    Explanation
    Question : 2

    The scattering of light by the colloidal particles is called as _______________________ 

    Right Option : B
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    Explanation
    Question : 3

    Tyndall effect is scattering of light and the intensity of scattered light depends on ____________________.

    Right Option : C
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    Explanation
     
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