Question

If a person is not able yo see the object placed before 70 cm then what kind of defect it is and what kind of lens and of what focus is used?

Answer 1

Hey mate,

Here is ur answr,

He is suffering from hypermetropia..

A convex lens is used to correct the defect.

For focal length, pls refer attachment...

Hope it helps.

Pl mark my answer brainliest...