character: Dr. Smith
topic: Wave Behavior and Sound Applications
grade: 11
subject: Physics
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character: Albert Einstein
topic: The Photoelectric Effect
grade: 11
subject: Physics
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character: Isaac Newton
topic: Sound Waves and Mechanics
grade: 11
subject: Physics
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character: Hermann von Helmholtz
topic: Resonance in Sound and Music
grade: 11
subject: Physics
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