Physics · Ray Optics
Which of the following statements is true regarding the optical phenomenon known as a mirage?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The image formed under all conditions of mirage is always universally inverted without total internal reflection.
- 2The refractive index of air decreases with a decrease in its density.✓
- 3If the air is still, the optical density of different layers of air decreases with increasing height.
- 4Light from a tall object passes through a medium whose refractive index increases continuously towards the ground.
Correct answer
The refractive index of air decreases with a decrease in its density.
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