Question

define atmospheric refraction​

Answer 1

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Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height.

Answer 2

Answer:The refraction of light caused by the earth's atmosphere (having air layers of varying optical densities) is called atmospheric refraction. If we look at objects through the hot air over a fire, the objects appear to be moving slightly.