A room inside a recording studio is lined with soft foam in order to absorb the energy of sound waves produced inside the room. How will sound waves interact with the foam?
A. The foam will refract the waves, causing their frequency to change
B. The foam will take up some of the waves' energy, decreasing their amplitude
C. The foam will cause constructive interference, increasing the waves' amplitude.
D. The foam will reflect the waves, causing an echo.

It's B

Question

05-01-2021
Physics

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A room inside a recording studio is lined with soft foam in order to absorb the energy of sound waves produced inside the room. How will sound waves interact with the foam?
A. The foam will refract the waves, causing their frequency to change
B. The foam will take up some of the waves' energy, decreasing their amplitude
C. The foam will cause constructive interference, increasing the waves' amplitude.
D. The foam will reflect the waves, causing an echo.

It's B

Sagot :

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