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Chapter 30 Lenses

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Lens – a lens is a transparent material that bends light rays depending on its shape Converging lens – a lens (top left) in which light rays are made to bend toward each other (converge ) Diverging lens – a lens (top right) in which light rays are made to bend away from each other (diverge)

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Ray Diagram – shows the principal rays that can be used to determine the size and location of an image The mathematical relationship between object distance o, image distance I, and focal length f is given by:

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