character: Dr. Nguyen
topic: Applications of Sound Waves in Technology
grade: 9
subject: Physics
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character: Ms. Patel
topic: How Ultrasound is Used in Medicine
grade: 9
subject: Physics
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character: Mr. Roberts
topic: Sound Waves and Their Role in Communication Technologies
grade: 9
subject: Physics
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character: Dr. Wong
topic: Exploration of Acoustic Engineering and Design
grade: 9
subject: Physics
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