Asked by fathima12 | 14th Feb, 2010, 12:44: AM
Since the source of sound is not moving, and the observer is also not moving.
Time period = 1/frequency = 1/500 sec.
Time period = Time interval between successive compressions = 1/500 = 0.002 sec = 2 ms.
Answered by | 14th Feb, 2010, 08:34: AM
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