A person suffering from short sightedness cannot see objects beyond 1.2 m. For distinct vision he would use :
A. Concave lens
B. Cylinderical lens
C. Convex lens
D. None of these.
Answer:A
A person suffering from short sightedness cannot see objects beyond 1.2 m. For distinct vision he would use :
A. Concave lens B. Cylinderical lens C. Convex lens D. None of these.