Assuming that the wave speed varies little when sound waves are traveling through a material that suddenly changes density by 10%, what percentage of the incident wave intensity is reflected?
The percentage of the incident sound wave intensity reflected, PR, is given by
where sound wave is traveling in a material of density
and strikes a material of density
.
for instance if we consider
= 100 and material that suddenly changes density by 10%
= 110
The percentage of the incident wave intensity is reflected is <1% (less than one percentage).
Assuming that the wave speed varies little when sound waves are traveling through a material that...
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CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound wave of intensity 3.8x10-8 W/m2 Express your answer to two significant figures and include the appropriate units. - Value Unis Units Submit Request Answer Part B What is the sound intensity level for sound wave of intensity 3.8x10-2 W/m2 ? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
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