JAMB Physics 1993 Question 31

Question 31

Dispersion of Light and Colours

Which of the following correctly explain(s) why a green leaf appears green in bright daylight? I. It absorbs only the green component of sunlight. II. It absorbs all colours in sunlight except green III. It reflects only the green component of sunlight.

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

Answer: D (II and III only)

Explanation

A green leaf absorbs the other colours of white light and reflects only green, which is what reaches our eyes.