WAEC Biology 2012 Objective — Question 18
Question 18 of 60 from the West African Examinations Council (WAEC) Biology 2012 Objective paper, with the correct answer and a full explanation.
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The function of the convex lens in the correction of eye defects is to
- A. diverge light rays from far objects to focus image on the retina
- B. converge light rays to focus image behind the retina
- C. converge light rays to focus the image before the retina
- D. converge light rays from far objects to focus their image on the retinaCorrect
Explanation
The convex lens is used for correcting long sightedness (hypermetropia). It does this by converging light rays from far objects to focus their image on the retina.
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