ryanstephens384 ryanstephens384
  • 01-12-2017
  • Physics
contestada

What is the decibel level of a normal conversation which has an intensity of 3.2 × 10-6 watts/m2?

Respuesta :

siprienj siprienj
  • 01-12-2017
about 9.5 watts i think
Answer Link
aristocles aristocles
  • 20-07-2019

Answer:

L = 65 dB

Explanation:

As we know that the intensity of the sound is given as

[tex]I = 3.2 \times 10^{-6}[/tex]

now the loudness is given as

[tex]L = 10 Log \frac{I}{I_0}[/tex]

now we have

[tex]I_0 = 10^{-12} watt/m^2[/tex]

now we will have

[tex]L = 10 Log\frac{3.2 \times 10^{-6}}{10^{-12}}[/tex]

now we will have

[tex]L = 65 dB[/tex]

Answer Link

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