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January 23 Physics

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In: What one change have you noticed in 2 dimensional waves from one dimension?

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Objective: To continue to find out about wave properties in 2 dimensions. Success criteria: Understand 2 dimensional: TransmissionTransmission ReflectionReflection RefractionRefraction DiffractionDiffraction InterferenceInterference

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Ripple Tank Lab Part A: –Transmission and Reflection Part B: –Refraction-from one medium to another Part C: –Diffraction-around barriers Part D: –Interference-constructive and destructive

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Part A: Transmission and reflection How do waves reflect off a straight barrier How do waves reflect off a curved barrier

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Straight barrier

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Curved barrier

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Part B: Refraction What happens when waves move straight on from less rigid to more rigid media? What happens when they move in at an angle?

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Part C: Diffraction How does the wavelength affect the diffraction? How does the opening width affect the diffraction?

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Part D: Interference How does the wavelenth affect the interference pattern? How does the spacing affect the pattern?

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Wave interference

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Out How are waves in 2d the same or different than 1d: Transmission Reflection Refraction Interference

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