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Q.

The frequency of the light and particle density affect how much scattering occurs.

Is it true?
 

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a

True

b

False

answer is A.

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Detailed Solution

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  • The Tyndall effect is the name given to the phenomenon of light scattering by particles in a colloid or in a very fine suspension. 
  • The beam is visible because of the way the individual suspension particles scatter and reflect light. 
  • The amount of scattering depends on the light's frequency and particle density.
  • The Tyndall effect scatters blue light more intensely than red light, similar to Rayleigh scattering. 
  • Another way to think about it is that scattering causes shorter wavelength light to be reflected while longer wavelength light is transmitted.


 

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