The intensity level from a directional loudspeaker at your position at a political rally is (95 mathrm{~dB}).
Question:
The intensity level from a directional loudspeaker at your position at a political rally is \(95 \mathrm{~dB}\).
(a) What is the intensity \(I\) of the sound in watts per square meter?
\((b)\) What is the power output of the loudspeaker if you are \(20 \mathrm{~m}\) from the speaker and it emits sound into one hemisphere only?
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Step by Step Answer:
To solve this problem well use the formulas relating intensity level L to intensity I and power outp...View the full answer
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