A very loud train whistle has an acoustic power output of 100 W.If the sound energy spreads out spherically,what is the intensity level in dB at a distance of 100 meters from the train? (I₀ = 10^-12W/m²) A)78.3 dB B)81.6 dB C)89.0 dB D)95.0 dB

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The Answer of A very loud train whistle has an acoustic power output of 100 W.If the sound energy spreads out spherically,what is the intensity level in dB at a distance of 100 meters from the train? (I₀ = 10^-12W/m²) A)78.3 dB B)81.6 dB C)89.0 dB D)95.0 dB

A Very Loud Train Whistle Has an Acoustic Power Output