Sound propagation and obstacles
What happens when sound hits an obstacle? The wave nature of sound is explained.
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There are a number of ways a sound can behave when it hits an obstacle: refraction, reflection, dispersion, absorption, diffraction. All these possibilities arise ultimately because of the wave nature of sound.
Information and ideas:
This information sheet provides a good overview of the most important basic concepts of the wave nature of sound.
Relevant for teaching:
Vibrations and waves