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JAMB Physics 2002 Question 19

Question 19

Light and Reflection

To produce an enlarged and erect image with a concave mirror, the object must be positioned

  1. A.between the principal focus and the centre of curvature
  2. B.at the principal focus
  3. C.between the principal focus and the pole
  4. D.beyond the centre of curvature.
Show the answer and explanation

Answer: C (between the principal focus and the pole)

Explanation

Only an object inside the focal length of a concave mirror gives a virtual, erect, magnified image.