CBSE Class 9 Answered
In the definition of Time period -"the time taken by two consecutive compressions or rarefactions to cross a fixed point is called the time period",which is the fixed point through which the disturbance has to be travelled?
Asked by shibasis | 11 Feb, 2012, 05:59: PM
Expert Answer
The distrubence start travelling through the source. For example if you speak something your vocal cord vibrates and the sound vibrations starts from your vocal cord.
Answered by | 11 Feb, 2012, 06:19: PM
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