Biology
Convex lens is used for the correction of long sightedness. Which of the following reasons support this statement?
P. The image of near by object falls behind the retina.
Q. The lens is too flat resulting in hypermetropia.
R. Uneven curvature of cornea.
- Only R
- Only Q
- Only P and R
- Only P and Q
Sense Organs
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Answer
Only P and Q
Reason — In hypermetropia, the lens becomes too flat and therefore the image is formed behind the retina. A convex lens corrects this problem.
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