Difference between loudness and intensity of sound:
The difference between loudness and intensity of sound is given in table below
Sl no | Loudness | Intensity |
1 | It is the amount of sensation produced in the ear and hence it depends upon the listener. | It is the quantity of sound energy flowing across unit area per second. Hence it depends on the source of sound and does not depend upon the listener. |
2 | It is not a purely physical quantity but it subjective in nature. | It is a pure physical quantity. |
3 | Loudness is measured in sones. | Intensity is measured in Wm-2. |