A Certain Converging Lens Has a Focal Length of 25

Multiple Choice

A certain converging lens has a focal length of 25 cm. To obtain a combination of power of 3.0 diopters, the lens should be combined with a second

A) diverging lens of focal length 5.0 cm.
B) diverging lens of focal length 8.0 cm.
C) diverging lens of focal length 100 cm.
D) converging lens of focal length 100 cm.
E) converging lens of focal length 8.0 cm.