A source of sound produces produce 40 troughs in 0.4 seconds what is the frequency of the wave
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The given source produces 40 crests and 40 troughs, hence it produces 40 wave cycles in the given interval 0.4 seconds. We know that the number of wave cycles produced in one second is equal to the frequency. Hence, the frequency of the wave is 100 Hz.
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Answer:The given source produces 40 crests and 40 troughs, hence it produces 40 wave cycles in the given interval 0.4 seconds. We know that the number of wave cycles produced in one second is equal to the frequency. Hence, the frequency of the wave is 100 Hz
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