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31 January, 08:19

n this example we will look at the periodic motion of an ultrasonic transducer, a kind of ultrasonic loudspeaker used for medical diagnosis. The transducer is oscillating at a frequency of 6.7 MHz (6.7*106Hz). How much time does each oscillation take, and what is the angular frequency?

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  1. 31 January, 08:47
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    frequency, f = 6.7 MHz = 6.7 x 10^6 Hz

    Time period is defined as the time taken by the oscillating body to complete one oscillation.

    the formula for the time period is

    T = 1 / f = 1 / (6.7 x 10^6) = 1.5 x 10^-7 second

    The angular frequency is given by

    ω = 2 π f = 2 x 3.14 x 6.7 x 10^6

    ω = 4.2 x 10^7 rad/s
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