Question

How does a mirage occur?

Answer 1

In summers in desserts, due to atmospheric refraction is an optical illusion known as ‘Mirage’ occurs.

During the mirage, an object such as a tree appears to be inverted and appears to be on the bank of a pond. On a hot summer day, since the layers of air near earth’s surface become hot, these layers act optically rarer medium.Whereas, the layers of air above the earth’s surface are cooler and therefore act as the optically denser medium. Light, therefore, refracts when it travels through a sudden transition between layers of cold and hot air.

Answer 2

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Answer:

Mirage mainly occurs in hot climate places such as deserts. It happens, when the ground is very hot in temperature 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.

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