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22 September, 20:17

If the frequency of an FM wave is 8.85 * 10¥ hertz, what is the period of the FM wave?

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  1. 22 September, 20:30
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    Although it is unclear as to what the exponent (yen symbol) of 8.85 x 10^¥ is, since it has been stated that it is an FM wave, let us assume that the exponent is 6. An FM wave has frequencies from 535-1605 kHz, raising the given frequency to 6 allows it to fit into that range. Given the frequency, the period can be obtained by taking the reciprocal of the frequency. This is done below.

    Period = 1 / frequency = 1 / 8.85 x 10^6

    Period = 0.0000001129943503 = 112.99 nanoseconds
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