character: Professor John Doe
topic: Introduction to Wave Properties
grade: 10
subject: Physics
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character: Professor Sarah Smith
topic: Fundamentals of Sound Waves
grade: 10
subject: Physics
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character: Dr. Emily Tan
topic: Light Waves and Optics
grade: 10
subject: Physics
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character: Mr. Robert Brown
topic: Introduction to Electromagnetic Waves
grade: 10
subject: Physics
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