A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity
-
A.
Convex lens -
B.
Binoculars -
C.
Concave lens -
D.
Plane glasses
Correct Answer: Option C
Explanation
A person with this condition is said to be short-sighted. Hence, to correct it, a concave lens is used for correction.