character: Mrs. Chen
topic: Wave Behavior and Properties
grade: 10
subject: Physics
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character: Mr. Smith
topic: Introduction to Waves
grade: 10
subject: Physics
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character: Dr. Johnson
topic: Sound Waves and Their Properties
grade: 10
subject: Physics
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character: Ms. Lee
topic: Light Waves: Reflection and Refraction
grade: 10
subject: Physics
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