character: Mr. John Adams
topic: The Basics of Wave Properties
grade: 9
subject: Physics
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character: Ms. Emily Carter
topic: Wave-Particle Duality
grade: 9
subject: Physics
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character: Dr. Sarah Lee
topic: Types of Waves: Mechanical and Electromagnetic
grade: 9
subject: Physics
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character: Mr. David Smith
topic: Sound Waves and Their Properties
grade: 9
subject: Physics
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