character: Dr. Wave
topic: Properties of Sound Waves
grade: 10
subject: Physics
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character: Sound Scholar
topic: Amplitude and Frequency of Sound Waves
grade: 10
subject: Physics
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character: Echo Expert
topic: Reflection and Refraction of Sound Waves
grade: 10
subject: Physics
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character: Vibration Virtuoso
topic: The Role of Medium in Sound Propagation
grade: 10
subject: Physics
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