character: Dr. Lee
topic: Resonance and its effect on sound quality
grade: 11
subject: Physics
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character: Dr. Anderson
topic: The principles of sound wave behavior
grade: 11
subject: Physics
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character: Ms. Smith
topic: Understanding harmonic frequencies in acoustics
grade: 11
subject: Physics
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character: Mr. Johnson
topic: The relationship between resonance and musical instruments
grade: 11
subject: Physics
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