1. Review the concept of reflection, particularly the law of reflection. Draw what happens when a light ray hits a mirror at various angles.
2. Review the concept of refraction: what it is, what causes it, what happens during it, under what circumstances does light bend, etc. Draw what happens when a light ray hits a block of transparent plastic at various angles.
3. Show how to calculate the wavelength of WTMD's signal (89.7 MHz).
4. Some questions related to how light is affected by optics.
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