character: Mr. Johnson
topic: Understanding Sound Wave Interference
grade: 11
subject: Physics
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character: Ms. Smith
topic: Wave Properties and Behavior
grade: 11
subject: Physics
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character: Mr. Lee
topic: Applications of Sound Waves in Technology
grade: 11
subject: Physics
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character: Dr. Garcia
topic: The Physics of Resonance and Interference
grade: 11
subject: Physics
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