character: Dr. Smith
topic: The Science Behind Lenses and Magnification
grade: 11
subject: Physics
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character: Professor Johnson
topic: Understanding Optical Instruments
grade: 11
subject: Physics
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character: Ms. Lee
topic: The Role of Focal Length in Image Formation
grade: 11
subject: Physics
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character: Mr. Brown
topic: Applications of Magnification in Everyday Life
grade: 11
subject: Physics
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