Question

A man can't see objects closer
then 1 metre from the eye clearly. What is the power of the corrective lens he should use ?​

Answer 1

Answer: Convex lens

Explanation:

He can't see objects closer  than 1 meter from the eye means he can't see short distance clearly. So he is long sighted.

Longsightedness is corrected using a convex (outward facing) lens.

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