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A diverging lens, f= 20, is placed 10cm to the left of a converging lens, f=20...

A diverging lens, f= 20, is placed 10cm to the left of a converging lens, f=20 cm. The final image of an object placed to the left of the diverging lens is real, and 70 cm away from the diverging lens. Draw a complete ray diagram to scale showing four rays leaving the object and arriving at the final image

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