Everywhere. Sound is a series of longitudinally compresson and rarefraction volumes of (air).
Sound waves that are compressed are made of (air) molecules that are more densely concentrated - that is (ie) more molecules are packed into the space of the compressed wave than there are in the (same) space of the surrounding expanded waves.
sound waves travel as longitudinal waves, that is the movement of the wave is in the direction of travel. sound is made by vibrations, therefore sound waves create areas of stretched apart air (rarefactions) and compressed air (compressions) which are areas of low and high pressure respectively.
well...the particles in the air start to go up and down so a sound wave starts to form,then that sound wave travels in to peoples ears etchope this answer was useful :)
when the temperature of the air is 25 degrees Celsius, the velocity of a sound wave traveling through the air is approx.
A sound wave can travel mor quickly in water than in air
Nothing. That IS how a sound wave is propagated.
Sound waves that are compressed are made of (air) molecules that are more densely concentrated - that is (ie) more molecules are packed into the space of the compressed wave than there are in the (same) space of the surrounding expanded waves.
Sound is a compressed vibration of the medium it travels through. In typical circumstances, this is air. When a sound wave travelling through air hits a bowl of jello, the wave slows down as it is a denser medium. Otherwise, it acts in completely the same manner.
As regards the ones on thie inside, the air atoms and molecules (yes, there are both 'cause air is a mixture of gases) are compressed on the inside of the ball. They are compressed in the area adjacent to the surface that is being compressed, and the compression wave travels across the inside of the ball to the other side and rebounds. Yes, a wave will result from the compression of one side of the ball. And that compression wave moves really fast in there. Like about the speed of sound.
A longitudinal wave such as a sound wave.
Compressed and rarefied air.
The noise coming from a lightning is created when the speed of sound is broken.The heat from the electricity raises the temperature of the surrounding air extremely. Since the lightning is so fast, the air has no time to expand.The heated air is compressed and soon the air explodes forming a shock wave. Like an explosion, the rapidly expanding waves of compressed air create a loud burst of noise.
sound waves travel as longitudinal waves, that is the movement of the wave is in the direction of travel. sound is made by vibrations, therefore sound waves create areas of stretched apart air (rarefactions) and compressed air (compressions) which are areas of low and high pressure respectively.
That refers to the energy transported by a sound wave. This can be described as that part of the kinetic energy of the particles, or alternately pressure differences, that is transmitted as a sound.
compressed air waves
If the particles of the medium vibrate in the direction of propagation of wave, as in sound waves that's why sound waves are called longitudinal waves.
The density of air increases and then decreases as the sound wave passes.