Question

30. A spherical convex surface separates an object and image spaces of refractive index
1.0 and 1.5 respectively. If radius of curvature of the surface is 25 cm, its power is
D.
(A) 13
(B) 33
(C) 3.3
(D) 1.3

I need proper solve answer not irrelevant answer pls.......​

Answer 1

Answer:

Option B) 33 is your answer