Question

Optics and Uplice
23. For a given lens, the magnification was found to be twice as large as when the object was
0.15 m distant from it as when the distance was 0.2 m. The focal length of the lens is
(1) 1.5 m
(2) 0.20 m
(3) 0.10 m
(4) 0.05 m​

Answer 1

Answer:

answer of this question is option 4