A 1000-hertz tone issuing from a loudspeaker has an

Reference no: EM13632764

A 1000-hertz tone issuing from a loudspeaker has an intensity level of 100 dB at a distance of 2.5 m. If the speaker is assumed to be a point source, how far from the speaker will the sound have undiminished intensity levels (a) of 60 dB and (b) barely enough to be heard?

Reference no: EM13632764

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