Question

kavita from 10this using spectacles . the power of the lenses in her spectacles is 2.5 diopter And the following questions. which lens are used in her spectacle,state the defeCT of vision Kavita is suffering from.,find the focal length of the lens used in her spectacles​

Answer 1

She is using convex lens as the power is positive.

She is suffering from hypermetropia.

The Focal length= 1/power.

F=1/2.5= 0.4metres.

Hopes it helps.