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Huygens' Principle
4
Transcript
Understanding and Applications of Huygens' Principle
Speakers
By Hannah Gee
Finally...
- Speakers project sound waves, and this real-world example will be used to demonstrate Huygens' Principle
Erase the small tangent circles, and voila! You have a wave front created using Huygens' Principle.
Keep Drawing!
- Pick multiple equidistant points around each wave front
- Draw equal, small circles centred around each point
Draw a diagram
- In this example there are two speakers, represented by the oval dots along the straight line (depicting an impenetrable wall)
- Both are equal in every way and their initial wave fronts are shown by drawing identical semicircles around each source
Huygens' Principle
Go on a Tangent!
- Huygens' Principle is an effective concept that aids in the understanding of spherical wave propagation
- It states that we can predict wave fronts by choosing points on the original wave front and assuming that spherical waves propagate from each wave point
Music
- Draw a smooth tangent to each circle, connecting each to the next
- Music is a part of our everyday lives, but ways by which sound travels is not well understood by many people
- Music propagates in spherical waves
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