character: Mr. Johnson
topic: Applications of Total Internal Reflection in Fiber Optics
grade: 10
subject: Physics
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character: Mrs. Lee
topic: Nature of Light and Its Properties
grade: 10
subject: Physics
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character: Dr. Simmons
topic: Basics of Optical Fibers and Their Uses
grade: 10
subject: Physics
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character: Ms. Patel
topic: Technological Advancements in Telecommunications
grade: 10
subject: Physics
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