Understand (See related pages) How to trace the principal rays when a mirror reflects them. How to trace the principal rays when they travel through a lens. How to determine the location of an image formed by a mirror and by a lens. How to calculate the magnification of a mirror and of a lens. How the law of refraction explains the phenomena of total internal reflection. How lenses are used to make optical devices such as microscopes and telescopes.
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Home > Chapter 17 > Understand

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