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9 Cards in this Set
- Front
- Back
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reflection
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the bouncing of light off a surface
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refraction
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the change in direction of light when it goes from one medium into a different medium
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ray
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a representation of light as a straight arrow pointing in the direction the light travels
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law of reflection
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the angle of reflection equals the angle of incidence
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angle of reflection
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the angle a light ray leaving a surface or interface between two mediums makes with the line normal to the surface or interface, at the point the ray hits it
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angle of incidence
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the angle of a light ray approaching a surface or interface between two mediums makes with the line normal to the surface or interface, at the point the ray hits it
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normal line
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the line perpendicular to the surface or interface
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composition of a medium and the speed of light
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the speed of light in a medium depends on the composition of the medium
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index of refraction
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light' speed in empty space compared with light's speed in a medium
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