Convex lens of stable focal length can correct (a) Short-sightedness (b) long-sightedness (c) presbyopia (d) astigmatism
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Answer:
(b) long-sightedness
Explanation:
Convex lens can correct the eye defect known as Hypermetropia or Hyperopia or Long Sightedness, which is generally caused due to shortening of eyeball or if the lens loses its convexity
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Answer:
long-sightedness
Explanation:
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