Question

What is power of lens if the focal length of of concave lens is 2 metre?

Answer 1

Answer:

hey mate here is ur answer

Explanation:

focal length is given tga 2 m

power of lens p = 1/f

P = 1 / -2 ( v shd always take it negative)

P = -0.5 D

hope it help you

Answer 2

hope my answer helps you buddy