Question

Boojho’s grandfather uses a handheld lens to read newspapers. Reason out, which lens he uses and why?

Answer 1

his eyes have problem....

Answer 2

The answers are as follows

• The person uses convex lens. The reason for use of lens is eye defect he suffers from, which is hypermetropia. It is also known as far sightedness.
• In the defect, the person can not clearly view the objects present at close distance.
• The reason for hypermetropia or far sightedness can be -

1. Decreased length of eyeball
2. Decreased length of eyeballIncreased focal length of eye lens.