Distinguish between loudness and intensity of sound.
Answer
| Loudness | Intensity | 
| Loudness is defined as a measure of the response of the ear to the sound. | Intensity is defined as Sound power per unit area. | 
| Loudness is measured in decibels (db) | Intensity is measured in Watt per meter square (W/m^2) | 
| It is a subjective quantity. Sound can be loud for one person, but not loud for someone else | It is an objective quantity. It doesn’t vary person to person | 
| It depends on sensitivity of our ears | It doesn’t depend on sensitivity of our ear | 
