character: Dr. Robert Lee
topic: The Physics of Sound and Light: Frequency and Wavelength
grade: 9
subject: Physics
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character: Mr. John McCarthy
topic: Understanding Wave Properties: Amplitude and Frequency
grade: 9
subject: Physics
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character: Ms. Angela Chen
topic: Light and Color: Wavelengths and Energy
grade: 9
subject: Physics
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character: Dr. Emily Zhao
topic: The Relationship Between Frequency and Wavelength in Sound
grade: 9
subject: Physics
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