Question:

The period of a 440-Hertz sound wave is...second?

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  1. 1/440 seconds

    that is, 0.00227 seconds


  2. period = 1/frequency

  3. 1/440=2.272ms=2.272*10^-3s

    period is inverse of frequency

  4. Periodic time (seconds)    =   1 / frequency (Hertz)

    So  Time period   =   1 / 440

                                   =    0.00227  seconds.

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