A person can see clearly only upto a dis...

A person can see clearly only upto a distance of `25 cm`. He wants to read a book placed at a distance of `50cm`. What kind of lens does he require for his spectacles and what must be its power ?

A

Concave, -1.0 D

B

Convex, + 1.5 D

C

Concave, -2.0 D

D

Convex, + 2.0 D

Text Solution

Verified by Experts

The correct Answer is:

C

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