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Wave Interference

tipo de documento Matemàtiques - Experiment/Pràctica

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Make waves with a dripping faucet, audio speaker, or laser! Add a second source to create an interference pattern. Put up a barrier to explore single-slit diffraction and double-slit interference. Experiment with diffraction through elliptical, rectangular, or irregular apertures.

Objetivos de Aprendizaje

Make waves with water, sound, and light and see how they are related
Design an experiment to measure the speed of the wave
Create an interference pattern with two sources, and determine the ways to change the pattern
Find points of constructive and destructive interference by eye and by using the detectors
Put up a barrier to see how the waves move through one or two slits
What sort of pattern do the slits create? How can you change this pattern?For light, predict the locations of the fringes that appear on the screen using d sin(θ) = mλ
Use the tape measure to verify your predictions
Explain how the aperture geometry relates to the diffraction pattern
Predict how changing the wavelength or aperture size affects the diffraction pattern