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15 cards from this deck
Refract (bend), reflect, or be absorbed
Wave bounces off a material boundary
extangleofincidence=extangleofreflection ext{angle of incidence} = ext{angle of reflection}extangleofincidence=extangleofreflection
Angle between incoming wave and normal line
Angle between reflected wave and normal line
Line perpendicular (at right angles) to boundary
Smooth surface
Clear, shiny reflection (like mirror)
Rough surface
Matte appearance, no clear reflection
Waves change direction crossing between materials
Wave must meet boundary at an angle
Bends away from normal
Bends toward normal
Slower (except sound waves are faster)
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