Single correct option
A mirage seen on a hot road in summer is caused by
- A. Total internal reflection of light
- B. Dispersion of light
- C. Scattering of light
- D. Diffraction of light
Show answer and solution
Answer: (A) Total internal reflection of light
Air near the hot road is rarer, so the refractive index decreases downwards. Light from the sky bends away from the normal and finally undergoes total internal reflection, so the road appears to show an image of the sky like water.
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