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Simulation of parallel beams of light striking a convex parabolic mirror whose curvature varies over time. Notice how the light striking the mirror radiates outwards creating a virtual focus behind the mirror. Compare with its inverse the parabolic concave reflector.



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Labelled diagram of light rays hitting a convex mirror
above: Labelled diagram of light rays hitting a convex mirror


created using the brilliant Cheetah3D software.

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