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DETR A sound wave, of frequency 17 x 10 1tz and intensity 3 x 10-3 w/ travels in a medium with a velocity of 340 m/s (a) What is the wavelength of the waye in this megdium (b) If the intensity level is increased by 30 db, what is the inter the new wave? (o II this wave is produced by a siring fixed on both ends as it harmonic, what is the length of the string?
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