character: Ms. Smith
topic: Refraction and Reflection of Waves
grade: 9
subject: Physics
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character: Mr. Johnson
topic: Wave Properties and Behavior
grade: 9
subject: Physics
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character: Dr. Adams
topic: Optics: Light Waves and Their Interactions
grade: 9
subject: Physics
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character: Ms. Lee
topic: Understanding Reflection and Refraction in Daily Life
grade: 9
subject: Physics
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