To Decrease the Intensity of the Sound You Are Hearing

question 10

Multiple Choice

To decrease the intensity of the sound you are hearing from your speaker system by a factor of 36, you can

• A) reduce the amplitude by a factor of 12 and increase your distance from the speaker by a factor of 3.
• B) reduce the amplitude by a factor of 4 and increase your distance from the speaker by a factor of 3.
• C) reduce the amplitude by a factor of 2 and increase your distance from the speaker by a factor of 3.
• D) reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of 4.
• E) reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of 12.

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Definitions:

Efficiency

Refers to the ability to achieve a desired result without wasting materials, time, or energy.

Equality

The circumstance in which all individuals possess identical opportunities, rights, and standing.

Opportunity Cost

The cost of the next best alternative foregone as a result of making a decision.

Tuition

The fee charged by educational institutions for instruction and other services.