The speed at which sound waves travel in an elastic medium is called the speed of sound and is expressed in C. The unit is M/S. The speed of sound is independent of intensity and frequency and is 340 M/s at normal temperature (15 ° C). The effect of humidity on the speed of sound is negligible, and the speed in dry air is slightly faster. Moreover, the temperature has an effect on the speed of sound. For every 1 °C rise or fall of the temperature, the speed of sound increases or decreases by 0.6M per second.
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