What is scattering of light?

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Question

(B) Scattering of light is the phenomenon in which light rays deviate from their straight path upon striking an obstacle, such as dust particles, gas

Vedclass · Accepted Answer

The phenomenon of change in direction of light on interacting with particles of dimensions comparable to the wavelength of light.

Vedclass · Answer

(B) Scattering of light is the phenomenon in which light rays deviate from their straight path upon striking an obstacle, such as dust particles, gas molecules, or water droplets in the atmosphere. When light interacts with particles whose size is comparable to the wavelength of the incident light, the light is redirected in various directions. This process is known as scattering. $A$ common example is the blue color of the sky, which occurs because shorter wavelengths (blue) are scattered more strongly by atmospheric molecules than longer wavelengths (red) according to Rayleigh's scattering law, which states that the intensity of scattered light is inversely proportional to the fourth power of the wavelength $(I \propto 1/\lambda^4)$.

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