character: Ms. Smith
topic: Wave Properties and Sound Transmission
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Frequency and Wavelength Relations
grade: 11
subject: Physics
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character: Ms. Lee
topic: Sound Wave Behavior in Different Mediums
grade: 11
subject: Physics
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character: Dr. Patel
topic: Applications of Sound Waves in Technology
grade: 11
subject: Physics
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