A certain lens focuses light from an object 2.15 m m away as animage 48.6 cm c m on the other side of the lens.
Two converging lenses are placed 30.0 cmcm apart. The focallength of the lens on the right is 20.5 cmcm , and the focal lengthof the lens on the left is 11.5 cmcm . An object is placed to theleft of the 11.5 cmcm focal-length lens. A final image from bothlenses is inverted and located halfway between the two lenses. Howfar to the left of the 11.5 cmcm focal-length lens is the originalobject?
