Question

find the power of convex lens with focal length of 5cm​

Answer 1

Explanation:

Focal length of convex lens= f= 5cm

Magnifying power of convex lens is

m = 1 + D/f

D is the distance of distinct vision, D= 25cm

m = 1 + 25 /5

= 1 + 5

= 6

Hope it helps you