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Author Question: A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) ... (Read 102 times)

awywial

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on: Jul 28, 2018
A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 10 m?
 a. 139
  b. 119
  c. 129
  d. 109
  e. 10

Question 2

A point source emits sound with a power output of 100 watts. What is the intensity (in W/m2) at a distance of 10.0 m from the source?
 a. 7.96  102
  b. 7.96  101
  c. 7.96  100
  d. 7.96  101
  e. 7.96  103


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Eunice618

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


awywial

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Reply #2 on: Jul 28, 2018
TY


Eunice618

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Reply #3 on: Jul 28, 2018
You're welcome


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