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Based on the graph, what is the threshold of hearing in decibels for frequencies of 60, 400, 1000, 4000, and 15,000 Hz? Note that many AC electrical appliances produce 60 Hz, music
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Power Supply Operation on a 400 Hz Source | DigiKey
Power Supply Operation on a 400 Hz Source | DigiKey
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Representative auditory brainstem response traces for a 400 Hz sound.... | Download Scientific Diagram
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1000Hz is used in acoustics as reference frequency for testing. What is special in it, why not 688.5Hz or 440Hz? - Quora
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A sound wave travels by a speed of 330 ms^-1 in air. If the wavelength of the wave is 110 cm , the frequency of the wave is .
Time Domain
400 Hz Test Tone - YouTube
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