HOW TO COMPUTE THE SPEED OF SOUND IN AIR BY NEWTON’S METHOD

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We think about how we compute the velocity of sound in air. Because of velocity of sound is differing medium. Usually velocity of sound is higher in solid. The hyper sonic and supersonic is measured with speed of sound. We definitely know about velocity of sound in air because it essential very measurements.

Newton thinks about how to compute the speed of sound in air. Already the velocity of longitudinal wave is found. Newton thought that the formula of velocity of longitudinal wave is compared to Boyle’s law.



We know that sound waves are longitudinal waves and when they propagate in air compression and rarefaction are formed. Sound propagates in air, the formation of compression and rarefaction is very slow. This slow formation process is called as isothermal in nature. 
   
Consider about air molecules, assume the temperature of the air is constant, pressure is increases and volume will decreases. Here we can understand the air molecules to form an ideal gas.




But this theoretical value is definitely changed with practical value. Because of experimentally velocity of sound is measured in air at 0oC. So that experimental value up to 16% more than theoretical value. The high difference indicates the best method of measurement of velocity of sound is experimental one.


HOW TO COMPUTE THE SPEED OF SOUND IN AIR BY NEWTON’S METHOD HOW TO COMPUTE THE SPEED OF SOUND IN AIR BY NEWTON’S METHOD Reviewed by knowledge people creators on April 16, 2019 Rating: 5
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