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
Verified Correct Answer: C.
Physical Principles & Numerical Solution
A person with this condition is said to be short-sighted. Hence, to correct it, a concave lens is used for correction.
Source: Myschool Past Questions Archive (Record #12912)