character: Dr. Smith
topic: Electromagnetic Waves in Communication
grade: 12
subject: Physics
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character: Prof. Johnson
topic: Applications of Electromagnetic Waves in Modern Technology
grade: 12
subject: Physics
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character: Ms. Lee
topic: The Role of Electromagnetic Waves in Wireless Communication
grade: 12
subject: Physics
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character: Mr. Patel
topic: Understanding Signal Propagation and Electromagnetic Waves
grade: 12
subject: Physics
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