Frequency of a source of sound is 288 Hz. Distance between two consecutive rarefactions is 1.2 m. What is the speed of sound in air medium?
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So in a time of one period, the wave has moved a distance of one wavelength. Combining this information with the equation for speed (speed = distance/time), it can be said that the speed of a wave is also the wavelength/period. ... Multiply the frequency by the wavelength to determine the speed.
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