character: Ms. Johnson
topic: Applications of Sound Waves in Technology
grade: 11
subject: Physics
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character: Mr. Smith
topic: Uses of Ultrasound in Medical Imaging
grade: 11
subject: Physics
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character: Dr. Davis
topic: Sound Waves in Sonar Technology
grade: 11
subject: Physics
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character: Mrs. Lee
topic: Acoustic Engineering and Soundproofing
grade: 11
subject: Physics
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