Question

what is the principal behind these mirage​

Answer 1

Explanation:

Mirages happen when the ground is very hot and the air is cool. The hot ground warms a layer of air just above the ground. When the light moves through the cold air and into the layer of hot air it is refracted (bent). A layer of very warm air near the ground refracts the light from the sky nearly into a U-shaped bend

Answer 2

Answer:

A mirage is created when light from the sky passes from colder air to the much hotter air near the ground. Given that the temperature change is great enough, the light from the sky can be refracted by the hotter air before it hits the ground and up to your eye! You can see from the image above what is going on here.

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