character: Mr. Thompson
topic: Waves and Their Properties
grade: 11
subject: Physics
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character: Ms. Johnson
topic: Light Waves and Optics
grade: 11
subject: Physics
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character: Dr. Lee
topic: Sound Waves and Frequency
grade: 11
subject: Physics
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character: Mr. Patel
topic: Electromagnetic Waves
grade: 11
subject: Physics
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