According to Rayleigh, when sunlight travels | vedclass

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Question

(B) According to Rayleigh's law of scattering, the intensity of scattered light $(I)$ is inversely proportional to the fourth power of its wavelength

Vedclass · Accepted Answer

$-4$

Vedclass · Answer

(B) According to Rayleigh's law of scattering, the intensity of scattered light $(I)$ is inversely proportional to the fourth power of its wavelength $(\lambda)$ for particles much smaller than the wavelength of light.Mathematically, this is expressed as $I \propto \frac{1}{\lambda^4}$.This can be rewritten as $I \propto \lambda^{-4}$.Comparing this with the given expression $I \propto \lambda^n$, we get $n = -4$.Therefore, the correct option is $B$.

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

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