character: Professor Johnson
topic: Electromagnetic Spectrum and Its Applications
grade: 11
subject: Physics
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character: Professor Smith
topic: Introduction to Wave-Particle Duality
grade: 11
subject: Physics
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character: Dr. Adams
topic: Applications of Infrared Radiation in Technology
grade: 11
subject: Physics
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character: Ms. Lee
topic: The Role of Ultraviolet Light in Sterilization
grade: 11
subject: Physics
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