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tatyana61 [14]
3 years ago
12

How does the strength of a sound field 1 meter from its source compare with its strength 4 meters away?

Biology
1 answer:
Katarina [22]3 years ago
4 0
Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which energy is transferred by the wave. In equation form, intensity I is
I
=
P
A
I
=
P
A
, where P is the power through an area A. The SI unit for I is W/m2. The intensity of a sound wave is related to its amplitude squared by the following relationship:

I
=
(
Δ
p
)
2
2
ρ
v
w
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