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Calculating Intensity & Decibel Level - Sound Waves
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A person standing 1m from a loudspeaker hears its sound at an intensity of 9 × 10-3 W/m2.
(a) Find its corresponding sound level for this intensity.
(b) Assuming sound propagates from the source as a spherical wave, calculate the sound intensity at a distance of 45cm from the person and its corresponding decibel level.
(a) Find its corresponding sound level for this intensity.
(b) Assuming sound propagates from the source as a spherical wave, calculate the sound intensity at a distance of 45cm from the person and its corresponding decibel level.
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