character: Ms. Sarah Johnson
topic: Applications of Wave Interference in Technology
grade: 9
subject: Physics
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character: Mr. Williams
topic: Understanding Sound Waves and Their Applications
grade: 9
subject: Physics
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character: Dr. Emily Carter
topic: Exploring Light Interference in Optical Devices
grade: 9
subject: Physics
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character: Professor James Lee
topic: Wave Interference in Modern Telecommunications
grade: 9
subject: Physics
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