character: Student 2
topic: Observing light interference using a laser pointer and a CD
grade: 10
subject: Physics
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character: Student 1
topic: Analyzing refractive index using different liquids
grade: 10
subject: Physics
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character: Student 3
topic: Measuring the wavelength of sound using a tuning fork
grade: 10
subject: Physics
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character: Student 4
topic: Studying diffraction patterns with a single slit experiment
grade: 10
subject: Physics
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