An object is 20 cm to the left of a lens of focal length 10
An object is 20 cm to the left of a lens of focal length 10 cm. A second lens, of focal length 12.5 cm, is 30 cm to the right of the first lens. What is the distance between the original object and the final image?
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An object is 20 cm to the left of a lens of focal length 10 cm. What is the distance between the original object and the final image
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