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प्रश्न
Which of the following is used to correct short-sightedness?
पर्याय
Convex lens
Concave lens
Convex mirror
Concave mirror
MCQ
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उत्तर
Concave lens
Explanation:
In short-sightedness (myopia), the eye focuses light rays in front of the retina instead of exactly on it.
A concave lens is used because it diverges (spreads out) the incoming light rays just enough so they can focus perfectly on the retina to form a clear image.
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पाठ 5: Refraction of Light through Lenses - Intex Question [पृष्ठ ११२]
