character: Dr. Smith
topic: Applications of Wave Equations in Real Life
grade: 11
subject: Physics
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character: Professor Johnson
topic: Understanding Sound Waves in Music
grade: 11
subject: Physics
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character: Ms. Davis
topic: Light Waves and Optical Devices
grade: 11
subject: Physics
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character: Mr. Lee
topic: Seismic Waves and Earthquakes
grade: 11
subject: Physics
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