The distance between compression and next rarefaction of sound wave in 12.5 cm. If the sound waves can travel 750 m in 3 sec, the find the number of waves produced in one second. Meritanation
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Speed = 750 m/ 3 s = 150 m/s
If one wavelength = 12.5 cm
Then by the formula,
Speed = Wavelength * Frequency
=> 15000 = 12.5 * F
=> F = 15000/12.5 = 1200 Hz
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