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प्रश्न
What kind of lens is used to correct
long-sightedness?
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उत्तर
Convex lenses are used to correct long-sightedness.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
What kind of lens is used to correct
long-sightedness?
Convex lenses are used to correct long-sightedness.