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3 cards from this section. Quick, good the night before a test.
What happens when light strikes a smooth surface?
Think about how mirrors work.
What is the normal?
Think about a line standing straight up.
What happens when light hits a mirror?
Recall the definition of reflection.
The angle of incidence is always equal to which angle?
Think about the relationship in ray diagrams.
You have two plane mirrors arranged at a 45-degree angle. How many images would be created?
Follow the formula closely.
Describe how a periscope uses the principle of reflection to function.
Think about how light travels between mirrors.
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