Question: At a distance r2 = 20.0 m from a point isotropic source of sound the loudness level Lo = 30.0 dB. Neglecting the damping of

At a distance r2 = 20.0 m from a point isotropic source of sound the loudness level Lo = 30.0 dB. Neglecting the damping of the sound wave, find:
(a) The loudness level at a distance r = 10.0 m from the source;
(b) The distance from the source at which the sound is not heard.

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a As there is no damping so I Io 20 log r L 10 log Similarly L So So or L L ... View full answer

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