Set 14 Problem 3 A 33.9 -cm-focal-length converging lens is 25.5 cm behind a diverging lens. Parallel rays of light strike the diverging lens. After passing through the converging lens, the light is again parallel. What is the focal length of the diverging lens? f= cm abc sin(x Ox10 Submit Reset Reset All It is essential to draw a sketch. Think carefully about the ray diagram. What is the sign of the focal length of a diverging lens