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JAMB Physics 1997 Question 34

Question 34

Light and Reflection

A boy on looking into a mirror observed that his face appeared to have grown bigger. The boy must have been looking at a

  1. A.convex mirror with his face at the focus
  2. B.concave mirror with his face between the focus and the mirror
  3. C.concave mirror with his face at the focus
  4. D.convex mirror with his face between the focus and the mirror
Show the answer and explanation

Answer: B (concave mirror with his face between the focus and the mirror)

Explanation

Only a concave mirror magnifies, and it gives an upright, enlarged image when the object is between the focus and the mirror (as in a shaving mirror).