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Refraction of light: Thin Convex Lens

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A thin lens forms an image of an overhead electric lamp on a piece of paper. The distance to the lamp from the lens is 148 cm; the distance to the paper from the lens is 16.0 cm. What is the focal length of the lens?

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Solution Summary

The position of the image of an object is calculated with the use of lens formula. The solution includes a ray diagram.

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