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Definition of Health

A long-sighte...

Question

A long-sighted man can see distinctly any object situated at a distance of 2.5 m from him. If the man wants to read a book kept at a distance of 25 cm from his eyes, what type of lens will he use in the spectacles.

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Solution

Dear Student,
Man is unable to see near objects that means he has farsightedness (hyperopia)
So he should use convex lens
Regards

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