character: Mr. Thompson
topic: Types of Lenses and Their Uses
grade: 10
subject: Physics
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character: Ms. Johnson
topic: Refraction of Light and its Applications
grade: 10
subject: Physics
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character: Mr. Lee
topic: Concave and Convex Lenses in Optical Instruments
grade: 10
subject: Physics
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character: Dr. Smith
topic: Real and Virtual Images Formed by Lenses
grade: 10
subject: Physics
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