Characteristics of Sound

p {margin: 0; padding: 0;} characteristic of sound x The amount of sound pass- ing normally through aunit area in a unit time is known as intensity. Loudness The amount of S- ound heard by a person unit = decibed L- 10 log I Io To = 10-12 xpitch : The sharpness of so- und. rHigh pitch sound :- Eg : f- more voice, amburate sound, whistle, crickersets X Low pitch sound :- eg: men sound, cluck, cat, dog, etc Beats If two waves having st- ightly different freque encies super imposed. Then,we will hear a high intense and low intense sound simultaneously. no. of beats per second or beat frequency = = 9, - P2