character: Dr. Emily Carter
topic: Characteristics of Waves in Different Media
grade: 11
subject: Physics
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character: Professor John Smith
topic: Wave Behavior Across Various Materials
grade: 11
subject: Physics
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character: Dr. Sarah Johnson
topic: The Influence of Medium on Wave Propagation
grade: 11
subject: Physics
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character: Mr. Alex Brown
topic: Sound Waves in Solids, Liquids, and Gases
grade: 11
subject: Physics
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