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This videos discussed the differences between real images and virtual images, as well as the differences between diffuse and specular reflections, and even explains refraction and its applications in optics. It also walks you through using focus point definitions of curves to determine what type of image and where it will be or appear to be. Near the end it even shows you some actual calculations about the exact position of images.

A site which offers a number of flash animations on waves, vectors, optics, fluid mechanics, and more for physics.