character: Mr. Johnson
topic: Understanding Optical Lenses
grade: 10
subject: Physics
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character: Ms. Rodriguez
topic: Refraction and Snell's Law
grade: 10
subject: Physics
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character: Mr. Lee
topic: Types of Lenses and Their Applications
grade: 10
subject: Physics
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character: Dr. Smith
topic: Image Formation by Lenses
grade: 10
subject: Physics
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