character: Physics Guru
topic: Optical Fiber Principles
grade: 10
subject: Physics
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character: Lab Assistant
topic: Light Transmission in Optical Fibers
grade: 10
subject: Physics
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character: Science Explorer
topic: Refraction and Total Internal Reflection
grade: 10
subject: Physics
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character: Engineer Sam
topic: Applications of Optical Fibers in Communication
grade: 10
subject: Physics
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