character: Mr. Davis
topic: Properties of Waves and Light
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Wave Behavior and Applications
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Introduction to Light and Optics
grade: 9
subject: Chemistry
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character: Dr. Wilson
topic: Fundamentals of Wave Phenomena
grade: 9
subject: Chemistry
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