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Two convex thin lenses with focal lengths 10.0 cm and 20.0 cm are aligned on a common axis,running left to right,the 10-cm lens being on the left.A distance of 20.0 cm separates the lenses.An object is located at a distance of 15.0 cm to the left of the 10-cm lens.Where will the final image appear as measured from the 20-cm lens?
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