Aconcert loudspeaker suspended high off the ground emits 32.0 w of sound power. a small microphone with a 1.00 cm^2 area is 52.0 m from the speaker. part complete what is the sound intensity at the position of the microphone? how much sound energy impinges on the microphone each second?

Sound Intensity at microphone's position is

The amount of energy impinging on the microphone is

Solution:

As per the question:

Emitted Sound Power,

Area of the microphone,

Distance of microphone from the speaker, d = 52.0 m

Now, the intensity of sound, at a distance away from the souce of sound follows law of inverse square and is given as:

Now, the amount of sound energy impinging on the microphone is calculated as:

If be the Incident Energy/

Then

The amount of energy incident per 1.00 is:

i was thinking more like reflects green light, just not sure