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2585 words - 11 pages

Sound waves are the progressive longitudinal vibrations, found in an elastic medium, by which sounds are transmitted. It basically is used to refer to changes in air pressure that produce sound. Now, lets breakdown this definition sounds are vibration that travel through different mediums such as solids, liquids, and gases. Sound waves are created by the vibrations that sound makes. sound waves have two different vibrations, longitudinal and transverse.
Longitudinal waves are particles that go through a medium, what the sound travels through, and the direction that they travel in is parallel to the direction in which the sound is moving in. basically what this definition means is which ever way the sound waves are traveling, longitudinal waves have to travel parallel to that sound wave. when you stretch out a slinky and make the string start to vibrate, as the motion of the slinky moves forward the longitudinal particles are moving parallel to that motion. A transverse wave is when these transverse particles move perpendicular to the motion of the wave. For example if you move the slinky again which ever way the vibrations on the slinky are moving the transverse particles are moving perpendicular to that wave. Sound is also a mechanical wave, this aspect comes from the motion of the wave and the particles moving in that wave. When sound moves in a longitudinal wave there are parts of the wave in which some parts are compressed and other parts are farther apart, these distances in the wave are known as compressions and
Morgan 2
rarefactions, rarefactions in a wave consists of molecules with the least amount of force being
applied pressure and compressions in a wave consist of molecules with the most amount of force being applied . The wavelength of a wave measures the vibrations in a wave in which the wave repeats. A wave in a sound wave repeats it’s pattern every wave cycle. The wavelength of a wave is also considered the length of the repeating pattern. The low points in a wave are considered the troughs of the wave and the high parts of the wave are considered the crests of the wave. Wavelengths are measured in long and short wavelengths, long wavelengths have a low frequency and short wavelengths have a high frequency.
Frequency is the measure of the amount of vibrations one particle of sound gives off within a soundwave while pass through a medium. Some people often confuse the frequency of a soundwave with the speed of a soundwave. The speed of a sound wave refers to how fast the sound wave is traveling to a certain point. Sound is the vibrations of particles which is measured using frequency, when sound passes through a medium each medium has a different specific frequency. Each particle of a medium has a natural frequency. Natural frequency is when the particles of an object vibrate at their own frequencies or rate. When these particles travel at their own natural frequency this produces resonance. Resonance is when objects...

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