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Byju's Answer
Standard X
Physics
Presbyopia and Its Correction
The power of ...
Question

The power of corrective lens used for which defect has a positive power?

A
Myopia
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B
Hypermetropia
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C
Cataract
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D
Glaucoma
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Solution

The correct option is B Hypermetropia
Convex lens which is used for correcting hypermetropia has a positive focal length.
It converges the light rays from an object and helps the image to be formed on retina.

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