character: Mr. Smith
topic: Light and Optics in Telecommunications
grade: 11
subject: Physics
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character: Mrs. Johnson
topic: Applications of Fiber Optics
grade: 11
subject: Physics
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character: Dr. Lee
topic: Fundamentals of Wave Propagation
grade: 11
subject: Physics
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character: Mr. Garcia
topic: Electromagnetic Spectrum in Communication
grade: 11
subject: Physics
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