Question

Write in detail about early sunrise and delayed sunset.

Answer 1

Answer:

Advanced sunrise and delayed sunset are phenomena caused due to atmospheric refraction. In this the Sun appears to rise early by 2 minutes and set late by 2 minutes.

Explanation:

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Answer 2

The early sunrise and delayed sunset are explained by the atmospheric refraction. The Sun is visible to us two minutes before the sunrise and two minutes after the Sunset, because of the bending of the light due to atmospheric refraction. The light from the Sun got refracted by the atmospheric layers and reaches the observer. This causes the observer to think that the light is coming straight from the Sun.

please see the attachment also for explanation

At point A of the earth, sun is already in the sky. The broken line shows the original path of the ray of light. See the point B on the earth. If the earth had no atmosphere, the sun rays wouldn't have reached point B. But because of atmospheric refraction, sun light bends and reaches the point B. Thus, an observer at B will see an early sunrise. 

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