Question

name two factors on which the focal length depands.​

Answer 1

Answer:

The focal length of a lens depends on the

(i) radii of curvatureof its surfaces and (ii) on the index of refraction of the material the lens is made from.

HOPE THIS HELPS YOU

PLZ FOLLOW ME

Answer 2

Answer:

hlo mate here is ur answer...

Explanation:

The focal length mainly depends on

radius of curvature,, Refractive index of the material of lens..

hope it helps u dear.. ❤