The Intensity of Sound Decreases by a Factor of Ten

question 5

Multiple Choice

The intensity of sound decreases by a factor of ten as it pass through a wall of uniform composition.If the wall is replace with a similar wall having the same thickness,but an absorption coefficient double that if the first wall,the intensity of the same sound will decrease by a factor of ____ as it passes through the new wall.

• A)10
• B)12
• C)20
• D)21
• E)100

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Definitions:

Muscular Structure

The arrangements and organizations of muscles in an organism, supporting movement and physical function.

Hepatic Flexure

The bend in the colon near the liver, connecting the ascending colon to the transverse colon.

Ascending Colon

The first section of the colon that ascends from the cecum to the transverse colon on the right side of the abdomen.

Transverse Colon

A section of the large intestine that crosses the abdomen from the ascending colon to the descending colon.