character: Professor Smith
topic: Interference Patterns in Optics
grade: 9
subject: Physics
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character: Dr. Emily Johnson
topic: Wave Interference in Physics
grade: 9
subject: Physics
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character: Mr. Thomas Lee
topic: Understanding Light Waves
grade: 9
subject: Physics
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character: Ms. Sarah Kim
topic: Applications of Interference Patterns
grade: 9
subject: Physics
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