character: Mr. Johnson
topic: Wave Interactions
grade: 11
subject: Physics
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character: Ms. Lee
topic: Behavior of Waves in Different Mediums
grade: 11
subject: Physics
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character: Dr. Smith
topic: Refraction and Reflection of Waves
grade: 11
subject: Physics
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character: Professor Adams
topic: Sound and Light Waves in Various Mediums
grade: 11
subject: Physics
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