character: Mr. Thompson
topic: Understanding Radio Waves
grade: 11
subject: Physics
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character: Ms. Nguyen
topic: Applications of Electromagnetic Waves
grade: 11
subject: Physics
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character: Dr. Patel
topic: The Spectrum of Radio Frequencies
grade: 11
subject: Physics
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character: Mr. Johnson
topic: How Antennas Work with Radio Waves
grade: 11
subject: Physics
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