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Published byJaylan Orrell Modified over 2 years ago

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Today’s lesson Critical angle Total internal reflection Dispersion

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Critical Angle? i

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i

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i

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Critical Angle Critical angle (when angle of refraction is 90º) i

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Critical Angle The Critical angle is the angle of incidence that produces an angle of refraction of 90º Copy! 90º Critical angle

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Critical Angle The Critical angle is the angle of incidence that produces an angle of refraction of 90º Copy! 90º Critical angle

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Total Internal Reflection Bigger than Critical angle

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Examples of Total Internal Reflection

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