Question

The capacity of a lens is 4.5D. What will be the focus distance of this lens?​

Answer 1

Explanation:

Correct option is

D

f=−0.22 m

f=

P

1

=

−4.5

1

=−0.22 m

Answer 2

Answer:

Explanation:

Hey there!

Here is the answer:

Focal length will be +0.22 m

F=1/P= 1/4.5= 0.22m

I hope it helps..!! :)