character: Dr. Brown
topic: Wave Properties and Communication Technologies
grade: 10
subject: Physics
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character: Mr. Smith
topic: Electromagnetic Waves in Communication
grade: 10
subject: Physics
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character: Ms. Lee
topic: Applications of Wave Properties in Technology
grade: 10
subject: Physics
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character: Dr. Johnson
topic: Understanding Sound Waves in Digital Communication
grade: 10
subject: Physics
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