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WAEC Biology 2009 Question 23

Question 23

Sense Organs

Spectacles with convex lenses correct long-sightedness by

  1. A.converging the light rays before they enter the eye.
  2. B.diverging the light rays before they enter the eye.
  3. C.reducing light intensity before it enters the eye.
  4. D.increasing light intensity before it enters the eye.
Show the answer and explanation

Answer: A (converging the light rays before they enter the eye.)

Explanation

A convex lens bends light rays inwards (converges them) so that near objects focus on the retina instead of behind it.