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(b) 
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(c) 
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(d) 
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A) The short-sighted eye, the correction of long- sightedness, the long-sighted eye and the correction of short-sightedness
B) The short-sighted eye, the correction of short-sightedness, the long-sighted eye and the correction of long-sightedness
C) The long-sighted eye, the correction of short-sightedness, the short- sighted eye and the correction of long-sightedness
D) None of these.
Correct Answer: B
Solution :
In short-sighted eye, image is formed in front of retina. To correct it, a concave lens of suitable focal length is used. In long-sighted eye, image is formed behind retina. To correct it, a convex lens of suitable focal length is used.
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