a point source emits 30.0 w of sound isotropically
A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an area of 0.750 cm2, 200 m from the source. Calculate (a) the sound intensity there and (b) the power intercepted by the microphone.
A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an area of 0.750 cm2, 200 m from the source. Calculate (a) the sound intensity there and (b) the power intercepted by the microphone.