character: Mr. Johnson
topic: Measuring Sound Intensity
grade: 10
subject: Physics
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character: Ms. Smith
topic: Wave Properties and Sound
grade: 10
subject: Physics
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character: Dr. Lee
topic: Acoustics and Sound Waves
grade: 10
subject: Physics
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character: Mr. Thompson
topic: The Decibel Scale in Sound Measurement
grade: 10
subject: Physics
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