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JAMB Physics 1986 Question 33

Question 33

Light and Reflection

A pencil is placed vertically between a concave mirror and its focal point. The image of the pencil in the mirror will be

  1. A.real, inverted and diminished
  2. B.virtual, inverted and enlarged
  3. C.real, erect and enlarged
  4. D.virtual, erect and enlarged.
Show the answer and explanation

Answer: D (virtual, erect and enlarged.)

Explanation

An object inside the focal length of a concave mirror gives a virtual, upright, magnified image (as in a shaving mirror).