Question

A student sitting at the back bench in a class has difficulty in reading. What could be his defect of vision? Draw ray diagrams to illustrate the image formation of the blackboard when he is seated at the (i) back seat (ii) front seat. State two possible causes of this defect. Explain the method of correcting this defect with the help of a ray diagram.​

Answer 1

This defection of vision is called MYOPIA.

Plzz check the attachment for ray diagram .

Cause of this defection is

1. excessive culvature of the eye lens

2. elongation of eye ball.

Concave lens is used for correcting his defect