Answer to Question #69406 in Physics for Sushen Nayak

Question #69406

The intensity of sound at 1 m from a blast is
9*10^-6 Wm-2 .The threshold of human
hearing is 10^-12 Wm-2. if sound waves are
assumed to spread out evenly in aIl directions,Calculate the distance from the source at
which this sound can be heard.

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