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JAMB Physics 1988 Question 33

Question 33

Refraction of Light

Which of the following phenomena explain the formation of a mirage? I. Reflection II. Refraction III. Diffraction

  1. A.I and II only
  2. B.II and III only
  3. C.I and III only
  4. D.I, II and III.
Show the answer and explanation

Answer: A (I and II only)

Explanation

Light from the sky is refracted through layers of air of different temperature and finally totally reflected near the hot ground, so refraction and (total internal) reflection cause a mirage.