Question

The sun is seen on the horizon a little before sunrise give scientific reasons​

Answer 1

Answer:

This is because when light enters from vacuum to earth's atmosphere,it basically enters from rarer to denser medium and bends towards horizon. During sunrise, when the sun is just below the horizon, our atmosphere causes the light rays to bend and we see the sun early

Explanation:

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Answer 2

Answer:

The earth is surrounded by an atmosphere which is denser near the surface of the earth. When the rays of light from the sun enter the earth's atmosphere from outer space, they travel from a rarer medium to a denser medium.

Explanation:

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