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Waves notes

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WAVES AND SOUND image00.png


Travelling wave characteristics


The medium is the material that vibrates when a wave passes.




Longitudinal waves cannot be polarized.






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Waves in two dimensions

The direction of propagation is at 90 degrees to the wavefront.






Refraction of waves.




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Loudness and Intensity





10 deciBel equals 1 Bel




The ear is most sensitive when frequency is about 5000 Hz.


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