January 23 Physics. In: What one change have you noticed in 2 dimensional waves from one dimension?

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Presentation transcript:

January 23 Physics

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

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

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

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

Straight barrier

Curved barrier

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?

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

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

Wave interference

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