01-02-2017
Physics

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an ultrasound wave vibrates at 30,000 times a second state the frequency of the wave.

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01-02-2017

Frequency is no. of times this wave vibrates or complete its one cycle per unit time. As it vibrates 30000 times per second its frequency is 30000 per second or 30000 Hz [1 Hz = once per second].

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