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Diffusion of light in the atmosphere takes place due to
1. carbon dioxide
2. dust particles
3. helium
4. None of the above

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Best answer
Correct Answer - Option 2 : dust particles

The correct answer is dust particles.

  • Diffusion
    • Diffusion of light in the atmosphere takes place due to dust particles.
    • Diffusion is the net fluctuation of anything (for example, atoms, ions, molecules, energy) from a region of higher concentration to a region of lower concentration.
    • Diffusion is controlled by a gradient in concentration.
    • The term convection is used to delineate the combination of both transport phenomena.

  • Example of Diffusion phenomena
    • You can smell perfume because it diffuses into the air and makes its way into your nose.
    • Cigarette smoke diffuses into the air.
    • Heat is diffused during heat conduction, such as mug getting hot when a hot liquid is placed into it.

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