Physics

(i) Define scattering.

(ii) The smoke from a fire looks white.

Which of the following statements is true?

  1. Molecules of the smoke are bigger than the wavelength of light.
  2. Molecules of the smoke are smaller than the wavelength of light.

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ICSE 2018

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Answer

(i) Scattering of light is the process of absorption and remission of light energy by the dust particles and air molecules present in the atmosphere.

(ii) Statement 1 is correct, i.e., molecules of the smoke are bigger than the wavelength of light.

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