Refraction of light by the earth’s atmosphere due to variation in air density is called

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Atmospheric reflection

Atmospheric dispersion

Atmospheric scattering

Atmospheric refraction

answer is D.

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Detailed Solution

Refraction of light by the earth’s atmosphere due to variation in air density is called atmospheric refraction.
The atmosphere is a combination of various layers of air. The arrangement of molecules is different in different layers. Due to this, the speed of light varies from layer to layer. Light deviates with an angle when it passes through the atmosphere due to the difference in the density of air. This phenomenon is called atmospheric refraction.

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