character: Mr. Johnson
topic: Reflection and Refraction of Light Waves
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Properties of Light Waves
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Snell's Law and Index of Refraction
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Applications of Reflection and Refraction
grade: 11
subject: Physics
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