character: Dr. Smith
topic: Sound Waves and Their Characteristics
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Types of Waves: Mechanical and Electromagnetic
grade: 11
subject: Physics
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character: Ms. Davis
topic: Frequency, Wavelength, and Amplitude of Waves
grade: 11
subject: Physics
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character: Dr. Lee
topic: Applications of Sound Waves in Medicine
grade: 11
subject: Physics
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