character: Dr. Smith
topic: Introduction to Sound Wave Behavior
grade: 11
subject: Physics
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character: Ms. Johnson
topic: Properties of Waves: Frequency and Amplitude
grade: 11
subject: Physics
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character: Mr. Davis
topic: The Doppler Effect and Sound Waves
grade: 11
subject: Physics
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character: Mrs. Lee
topic: Reflection and Refraction of Sound Waves
grade: 11
subject: Physics
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