character: Dr. Smith
topic: Introduction to Light and Its Properties
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Waves and Electromagnetic Spectrum
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Properties of Light: Reflection and Refraction
grade: 9
subject: Chemistry
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character: Mrs. Davis
topic: Applications of Light in Technology
grade: 9
subject: Chemistry
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