 | 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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