character: Mr. Smith
topic: Understanding Sound Waves And Their Properties
grade: 11
subject: Physics
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character: Ms. Johnson
topic: The Basics of Wave Behavior
grade: 11
subject: Physics
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character: Dr. Lee
topic: Frequency and Amplitude Explained
grade: 11
subject: Physics
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character: Mr. Thompson
topic: Applications of Sound Waves in Technology
grade: 11
subject: Physics
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