character: Carl
topic: Types of Lenses in Optical Instruments
grade: 10
subject: Physics
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character: Emily
topic: Refraction and Reflection in Optics
grade: 10
subject: Physics
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character: Alex
topic: Applications of Convex and Concave Lenses
grade: 10
subject: Physics
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character: Jordan
topic: Historical Development of Optical Instruments
grade: 10
subject: Physics
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