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3 cards from this section. Quick, good the night before a test.
Define an incident ray.
Think about where the light comes from.
What happens to light when it hits a mirror?
What do we call this phenomenon?
What is the angle of reflection when the angle of incidence is 45 degrees?
Remember, they are equal!
True or False: The normal line always lies parallel to the surface.
Think about the definition of a normal line.
Describe an experiment that demonstrates the law of reflection using sunlight.
Consider using a flat surface for your target.
In a situation where the normal line is not well defined, how could you measure the angles of incidence and reflection?
Look for reflective surfaces around you.
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