Fri February 08, 2013 By:

The Frequency of a sound wave is just the reciprocal of time period. Why is it so?

Expert Reply
Fri February 08, 2013
Frequency is defined as the number of oscillations per second.One complete oscillation of a sound wave is called a Cycle. Hertz simply measures the frequency of the cycle.  One Hertz is the equal to one Cycle per second.
time period, T = reciprocal of frequency 
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