Define mirage .
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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.Examples of mirages are pools of water seen over hot desert sand or over hot pavement; at sea, an inverted image of a ship seen in the heavens or, also at sea, some object that is actually over the horizon but seems to loom up a relatively short distance away.
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Explanation:
It is defined as am optical illusion that occurs in desert and coal tarred road appear to be covered with water but on approaching at that place no water is obtained in desert thirsty animals observe
virtual images of tree on hot sad so expecting a pond of water there but reaches three , they do not get water pond and hence optical illusion .
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