character: Mr. Smith
topic: Wave Properties and Their Interactions
grade: 11
subject: Physics
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character: Mr. Johnson
topic: Reflection and Refraction of Waves
grade: 11
subject: Physics
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character: Ms. Parker
topic: Sound Waves and Their Properties
grade: 11
subject: Physics
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character: Dr. Adams
topic: Interference and Diffraction of Waves
grade: 11
subject: Physics
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