Question

Find the power of a concave lens of focal length 2 m​

Answer 1

Answer:

Step-by-step explanation:

hloo dear.....

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 helps

Answer 2

hope you understand my writing mate......

hope my answer helps you☺