Q.

[26]

The deflection of light by minute particles and molecules of the atmosphere in all directions is called?


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a

Dispersion of light

b

Scattering of light

c

Interference of light

d

Tyndall effect 

answer is B.

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Detailed Solution

“The deflection of light by minute particles and molecules of the atmosphere in all directions is called scattering”.
When light passes from one medium to another medium, then a part of the light is absorbed by particles of the medium, preceded by its subsequent radiation in a particular direction. This phenomenon is termed a scattering of light. The intensity of scattered light depends on the size of the particles and the wavelength of the light. Two variables influence the intensity of scattering. These represent the light's wavelength and particle size, respectively.
Thus, the deflection of light by minute particles and molecules of the atmosphere in all directions is called scattering of light.
 
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