Question

The graph shows how the magnification m produced by a thin lens varies with image distance v. What is the focal length of the lens used?
(A) b²/ac
(B) a/c
(C) b²c/a
(D) b/c

Answer 1

This answer, i think, is a/c , Which is (B)

Hope it helps

Answer 2

Answer:

Hello Brainly user.....!!♡

(B) a/c