Problem: A diverging lens with focal length f1 = -20.0 cm is 10.0 cm to the left of a converging lens that has focal length f2 = +50.0 cm. An object that is 2.0 mm tall is placed 12.0 cm to the left of the diverging lens. The final image is formed after the light has passed through both lenses. How far is the final image from the converging lens?

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Problem Details

A diverging lens with focal length f= -20.0 cm is 10.0 cm to the left of a converging lens that has focal length f= +50.0 cm. An object that is 2.0 mm tall is placed 12.0 cm to the left of the diverging lens. The final image is formed after the light has passed through both lenses. How far is the final image from the converging lens?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the !! Multiple Thin Lenses concept. If you need more !! Multiple Thin Lenses practice, you can also practice !! Multiple Thin Lenses practice problems.

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Based on our data, we think this problem is relevant for Professor Koch's class at SUNY.