character: Dr. Patel
topic: The Nature of Sound Waves
grade: 10
subject: Physics
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character: Ms. Thompson
topic: Properties of Waves
grade: 10
subject: Physics
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character: Mr. Lopez
topic: Introduction to Sound and its Characteristics
grade: 10
subject: Physics
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character: Dr. Chen
topic: Vibration and Sound Production
grade: 10
subject: Physics
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