Write the Word or Phrase That Best Completes Each Statement $\mathrm { D } = 10.0 \log \left( \mathrm { S } / \mathrm { S } _ { 0 } \right)$

question 393

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
-Use the formula $\mathrm { D } = 10.0 \log \left( \mathrm { S } / \mathrm { S } _ { 0 } \right)$ , where the loudness of a sound in decibels is determined by $\mathrm { S }$ , the number of watt $/ \mathrm { m } ^ { 2 }$ produced by the soundwave, and $\mathrm { S } _ { 0 } = 1.00 \times 10 ^ { - 12 } \mathrm { watt } / \mathrm { m } ^ { 2 }$ . What is the intensity in watt/ $/ \mathrm { m } ^ { 2 }$ of a noise measured at 37 decibels? (Round to the nearest tenth.)

• A) \(4.0 \times 10 ^ { 13 } \mathrm { watt } / \mathrm { m } ^ { 2 }\)
• B) \(3.7 \times 10 ^ { - 10 } \mathrm { watt } / \mathrm { m } ^ { 2 }\)
• C) \(5.0 \times 10 ^ { - 8 } \mathrm { watt } / \mathrm { m } ^ { 2 }\)
• D) \(5.0 \times 10 ^ { - 9 } \mathrm { watt } / \mathrm { m } ^ { 2 }\)

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