Waves: An Interactive Tutorial
by Kyle Forinash and Wolfgang Christian
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AAPT ComPADRE
1.
Basic Properties
2.
Combining Waves
3.
External Interactions
4.
Applications
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» Combining Waves
Combining Waves
Some of the most important properties of waves arise due to superposition, the idea that when two waves meet their displacements simply add. These tutorials explore the consequences of superposition.
Adding Two Linear Waves (Superposition)
Interference
Group Velocity
Other Wave Functions
Fourier Analysis and Synthesis
Adding Two Linear Waves (Superposition)
What happens when two waves meet.
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Interference
Interacting waves can result in very different patterns of peaks and zeros.
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Group Velocity
A group velocity can arise when waves with different velocities are combined.
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Other Wave Functions
Waves can also have other shapes, such as pulses on a string.
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Fourier Analysis and Synthesis
The most complete way to describe waves with many different frequencies and wavelengths is done using Fourier Analysis.
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