character: Mr. Johnson
topic: Light Waves and Optics
grade: 10
subject: Physics
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character: Mrs. Smith
topic: Refraction and Reflection of Light
grade: 10
subject: Physics
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character: Dr. Lee
topic: Behavior of Light Waves
grade: 10
subject: Physics
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character: Ms. Reynolds
topic: Optical Instruments and Applications
grade: 10
subject: Physics
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