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PHYS 231 Palomar College Physics Problem

 

A diverging lens with a focal length of 10cm is placed to the left of a converging lens with focal length of 20 cm as shown below. The distance between the lenses is 20cm. An object 3cm tall is placed 20cm to the left of the diverging lens. After the light has passed through both lenses once, find the location of the image, and state whether it is real or virtual.