Question:

According to Rayleigh, when sunlight travels through atmosphere, the amount of scattering is proportional to $n^{th}$ power of wavelength of light. Then the value of $n$ is

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Rayleigh scattering explains why the sky is blue; scattering intensity is inversely proportional to \(\lambda^4\).
Updated On: Jun 4, 2025
  • 4
  • -4
  • 3
  • -3
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The Correct Option is B

Solution and Explanation

Rayleigh scattering intensity \(I\) varies inversely with the fourth power of wavelength \(\lambda\): \[ I \propto \frac{1}{\lambda^4} \] Thus, \(n = -4\).
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