Question

A man can not see any object beoguin 75 cm away what lens he should use to a see distant objects distance

Answer 1

Answer:

concave lens is used so that the light rays coming from the object meet at retina and image is formed on the retina of eye so the man with such type of defect is able to see the distant objects clearly. In the given condition man has to use concave lens of focal length (-20cm) to correct the defect.

Explanation:

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