character: Ms. Johnson
topic: Wave Properties and Applications
grade: 11
subject: Physics
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character: Mr. Smith
topic: Sound Waves and Their Applications
grade: 11
subject: Physics
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character: Dr. Green
topic: Electromagnetic Waves in Technology
grade: 11
subject: Physics
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character: Ms. Lee
topic: Wave Interference and Diffraction
grade: 11
subject: Physics
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