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5 Cards in this Set
- Front
- Back
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What means attenuation?
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Decrease in intensity and amplitude when the sound travel through a medium
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Which are the process that affect attenuation
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apsortions
reflection scattering beam divergence |
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What means impedance
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the resistance that a medium present to sound travel
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The impedance formula and the unit is
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Z= velocity x density
Rayls |
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Explain the refraction process
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Is a change in direction when a sound pass from one medium to another. Occur with oblique incidence and different velocity
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