The intensity of a sound wave 20 m away from the sound source is 3n W//m^(2). Find the intensity of the wave 32 m away from the source, if the half -thickness for sound of this frequency is 120 m.

The intensity of a sound wave 20 m away from the sound source is 3n W/

1.	The intensity of a sound wave 20 m away from the sound source is 3n W//m^(2). Find the intensity of the wave 32 m away from the source, if the half -thickness for sound of this frequency is 120 m.
Answer» ANSWER :`2.8 nW//m^(2)`