Multiple choice general knowledge science & technology

What are mirages?

  1. A mixture of gases that leak through fissures in the earth, mixing to create strange apparitions

  2. Low lying clouds

  3. Optical phenomenon due to temperature differences of the surface and air directly above the surface

  4. Miniature whirlwinds blow sand in tight circles that seem to take shape from a distance
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mirages are optical phenomena caused by atmospheric refraction - light bends when passing through air layers of different temperatures (hot near the ground, cooler above). This creates illusory images of water or distant objects, commonly seen on hot roads or in deserts.

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