character: Dr. Lee
topic: Electromagnetic Spectrum and Its Uses
grade: 11
subject: Physics
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character: Ms. Johnson
topic: Applications of the Electromagnetic Spectrum in Communication
grade: 11
subject: Physics
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character: Mr. Smith
topic: Wave Properties: Understanding the Electromagnetic Spectrum
grade: 11
subject: Physics
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character: Dr. Patel
topic: The Role of Electromagnetic Waves in Medicine
grade: 11
subject: Physics
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