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11-11-2014
Physics

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An ultrasound wave vibrates 30 000 times a second. State the frequency of the wave

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Answer :

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11-11-2014

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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