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8 Jan 2015 Convex parabolic mirrors. Light waves can be bent and reflected to form new and sometimes altered images. Understanding how light rays can be manipulated allows us to create better contact lenses, fiber optic cables, and high powered telescopes. Tutorials. 3 May 2012Optic is one of the branch of physics which deals with the light and properties of it. We know that light shows both the particle and wave characteristics. However