Study the diagram and answer the questions the follows : a. Identify the defect of vision represented by…
Study the diagram and answer the questions the follows :
a. Identify the defect of vision represented by this diagram.
b. List the two possible causes of this defect.
c. With the help of ray diagram explain how this defect can be corrected.
Solution
a. The defect of vision is hypermetropia.
b. (i) increase in focal length of eye lens
(ii) shortening of eye ball.
c. Hypermetropia can be corrected by using convex lens.
