J & K CET Medical J & K - CET Medical Solved Paper-2010

  • question_answer
    When sun light is scattered by minute particles of atmosphere, the intensity of light scattered away is proportional to

    A)  (wavelength of light)4    

    B)  (frequency of light)4

    C)  (wavelength of light)2    

    D)  (frequency of light)2

    Correct Answer: B

    Solution :

                     Molecules of a medium after absorbing incoming light radiations, emit them in all directions.  This phenomenon is called scattering. According to scientist Rayleigh the intensity of scattered \[light\propto \frac{1}{{{\lambda }^{4}}}\propto {{v}^{4}}\]


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