What is Refraction?
The phenomenon in which the waves undergo a change in direction when it passes from one medium to another is known as refraction.
The refraction of light is the most commonly observed phenomenon. Refraction of light is defined as the phenomenon in which the light bends while travelling from one transparent substance to another.
What is Atmospheric Refraction?
Atmospheric refraction is defined as the refraction of light by the earth’s atmosphere. The earth’s atmosphere has different layers with different optical densities. When an object transmits light rays in the atmosphere, the light travels through these different layers and get refracted.
Advanced Sunrise Explanation
During sunrise, the sun is rising above the horizon. The rays from the sun get refracted as they travel from more dense air to less dense air. Also, the human eye sees the sun rays as a straight line, which appears as the sun has risen. But it has actually not yet risen.