how does speed of sound change with change in density of medium
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The speed of sound increases in denser medium and decreases in rarer medium.
Saurabh211:
is it correct. I don't think it is right
The sound waves travel due to vibrations in particles so when there would be more particles the speed will increase
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2
speed of sound is not always the same. Remember that sound is a vibration of kinetic energy passed from molecule to molecule. The closer the molecules are to each other and the tighter their bonds, the less time it takes for them to pass the sound to each other and the faster sound can travel. It is easier for sound waves to go through solids than through liquids because the molecules are closer together and more tightly bonded in solids. Similarly, it is harder for sound to pass through gases than through liquids, because gaseous molecules are farther apart. The speed of sound is faster in solid materials and slower in liquids or gases. The velocity of a sound wave is affected by two properties of matter: the elastic properties and density. The relationship is described by the following equation.
Where: C ij is the elastic properties and p is the density.
Where: C ij is the elastic properties and p is the density.
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