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JAMB Physics 1981 Question 12

Question 12

Light and Reflection

Which of the following statements is applicable to a real image formed by a concave mirror? (i) It can be observed on a screen (ii) It is always inverted and in front of the mirror (iii) It only seems to exist (iv) It is formed by the actual converging of rays of light.

  1. A.(i), (ii) and (iii) only
  2. B.(i), (ii) and (iv) only
  3. C.(i) and (iii) only
  4. D.(i) and (ii) only
  5. E.All four statements.
Show the answer and explanation

Answer: B ((i), (ii) and (iv) only)

Explanation

A real image is formed where rays actually meet, in front of the mirror; it is inverted and can be caught on a screen. 'Only seems to exist' describes a virtual image.