What is the cause of atmospheric refraction?

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Solution

The basic cause of atmospheric refraction is variation in optical density of different layer’s of earth atmosphere. The sunlight passes through various regions of earth’s atmosphere, which have varied optical densities.

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Similar questions

Q. What is atmospheric refraction?

What impact does atmospheric refraction have on sunrise and sunset?

(a) What is atmospheric refraction ? What causes atmospheric refraction ?
(b) Why do stars twinkle on a clear night ?
(c) Explain why, the planets do not twinkle at night.

Q. The atmospheric refraction occurs in a medium of gradually changing refractive index which causes

statement1: There is a time delay between actual sunrise and apparent sunrise.

statement2: Atmospheric refraction is the cause of time delay between actual sunrise and apparent sunrise.

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