Cclassify each characteristic of sound waves. intensity: loudness: frequency: pitch:

Explanation :

The characteristics of sound waves are as follows :

(1) Intensity : The power per unit area carried by a sound wave is called as the intensity of wave. So, . Its unit is .

(2) Loudness : Loudness means how the listener perceives the sound intensity. It is determined by the intensity of sound waves.

(3) Frequency : The number of to and  fro oscillations of sound wave per unit time is called as its frequency. Its unit is Hz or Hertz.

(4) Pitch : Pitch means the quality of sound. It is closely related to frequency. For high pitch, the number of waves are more.

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