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6 Cards in this Set
- Front
- Back
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What is refraction
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the change of direction of travel of light when its speed change - because fo a change of medium |
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WHat do we use refraction for
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lenses for glasses, telescopes |
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Sin(angle)/sin(angle2)
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=v1/v2 |
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What is the refractive index |
defined by n=c/v |
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Snell's law |
nsin(angle)/c=nsin(angle2)/c |
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What does optical density describe
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The refractive property of a material |
