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3 years ago

15

By how many decibels do you reduce the sound intensity level due to a source of sound if you triple your distance from it? assum

e that the waves expand spherically.

1 answer:

sweet-ann [11.9K]3 years ago

4 0

New sound intensity level after the move is

      10 log (1/3²)

   = -20 log (3)

   = -20 (0.4771) =   9.54 dB LOWER than before the move.

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