andershy5634 andershy5634

12-01-2024
Physics

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What is the energy density of a plane sound wave in air at standard temperature and pressure (STP) when the sound pressure level of the wave is 66 dB?
a. 1.0 x 10⁻¹¹ J/m³
b. 1.0 x 10⁻¹² J/m³
c. 1.0 x 10⁻¹³ J/m³
d. 1.0 x 10⁻¹⁴ J/m³

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