A) Refraction of light only
B) Total internal reflection of light only
C) Refraction and total internal reflection of light
D) Dispersion of light only
Correct Answer: C
Solution :
[c] Mirage formation is a result of the refraction and the total internal reflection of light in the air. 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. A layer of very warm air near the ground refracts the light from the sky nearly into a U-shaped bend. Our brain thinks the light has travelled in a straight line.
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