Question

A person needs a lens of power 2.5D for correction for her vision.

a) What kind of defect of vision is she suffering from ?

b) What is the focal length and nature of the corrective lens ?

Answer 1

Hey mate.




a) He is suffering from Hypermetropia.

b) focal lenght of lens = 100/power (in cm)

= 100/2.5
= 1000/25
= 40cm.

thanks.
❤❤❤

Answer 2

A- hypermedia

B- convex lens