Assuming that the wave speed varies little when sound waves are traveling though a material that suddenly changes density by 8%,what percentage of the incident wave intensity is reflected?

Name: Assuming that the wave speed varies little when sound waves are traveling though a material that suddenly changes density by 8%,what percentage of the incident wave intensity is reflected?
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Question

Quizplus · Accepted Answer

The intensity reflection coefficient is proportional to the square of the density change.

Assuming That the Wave Speed Varies Little When Sound Waves