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Q: Suppose that a sine wave has a period of 0.1 seconds What is the frequency of this wave?

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The frequency is the reciprocal of the period. In other words, divide 1 by the period. If the period is in seconds, the frequency is in hertz.

Period = 1 / frequency = 1/272 = 0.003676 second (rounded)

200hz

The period is the reciprocal of the frequency, in this case, 1/250 second.

5 cycles.

Its' reciprocal. 400 kilohertz.

Frequency = 1 / period = 1 / 0.807 = 1.2392 Hz (rounded)

Period = 1/frequency = 1/50,000 = 0.00002 second = 20 microseconds

The definiton of period (T) . Is T = 1/f ; Therefore if you know that the period is 2.5

A sine wave is a simple vertical line in the frequency domain because the horizontal axis of the frequency domain is frequency, and there is only one frequency, i.e. no harmonics, in a pure sine wave.

Period = reciprocal of ('1' divided by) the frequency = 1/200,000 = 0.000005 second = 5 microseconds

Neither of them has ANY bandwidth. All of the energy in a sine wave is concentratedat a single frequency, and there is no energy at any other frequency, no matter howclose.

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