character: Mr. Smith
topic: Optical Instruments and Their Uses
grade: 10
subject: Physics
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character: Mr. Johnson
topic: Introduction to Lenses and Mirrors
grade: 10
subject: Physics
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character: Ms. Davis
topic: The Science of Light: Refraction and Reflection
grade: 10
subject: Physics
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character: Dr. Lee
topic: Applications of Optical Instruments in Everyday Life
grade: 10
subject: Physics
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