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A person can see object clearly only upt...

A person can see object clearly only upto a maximum distance of 50 cm. Hi eye defect, nature of the corrective lens and its focal length are respectively

A

Myopia, concave, 50cm

B

Myopia, convex, 50cm

C

Hypermetropia, concave, 50 cm

D

Catract, convex, 50cm

Text Solution

Verified by Experts

The correct Answer is:
A
`(1)/(v)- (1)/(u) = (1)/(f) rArr (1)/(f) = (-1)/(50) - (1)/(infty) rArr f ` = - 50 cm .
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