character: Dr. Adams
topic: Understanding Refraction and Its Effects on Focal Length
grade: 11
subject: Physics
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character: Ms. Johnson
topic: The Basics of Light Waves and their Behavior
grade: 11
subject: Physics
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character: Mr. Thompson
topic: Assessing Lens Types and Their Focal Properties
grade: 11
subject: Physics
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character: Dr. Lee
topic: Applications of Refraction in Optical Instruments
grade: 11
subject: Physics
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