why sound wave are called longitudinal wave?
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Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves.
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Transverse and longitudinal waves are classified according to the direction of propagation of wave motion and direction of oscillations of particles of the medium. But in the case of non-mechanical waves there is no medium, so there are no particles of a medium to oscillate.
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For a sound wave traveling through air, the vibrations of the particles are best described as longitudinal. ... Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves.
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Because the string is fixed at both ends, the standing waves must have nodes (points of zero motion) at the ends. ... The longitudinal wave is shown passing through a pipe, but the pipe is not necessary. The motion of the dots represents the average motion of all the air molecules that are in the vicinity of the dots.
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Examples of transverse waves include vibrations on a string and ripples on the surface of water. ... In a longitudinal wave the particles are displaced parallel to the direction the wave travels. An example of longitudinal waves is compressions moving along a slinky.
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There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves.
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Wave amplitude of a transverse wave is the difference in height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is compressed by the wave. ... A wave caused by a disturbance with more energy has greater amplitude.
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Physical waves are further distinguished by the phases of matter through which they can move. Longitudinal waves can pass through liquids and gasses while transverse waves require a material to be solid to propagate.
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1 Answer. Aritra G. 1) Sound waves are longitudinal in nature, i.e. the vibrations happen parallel to the direction of propagation of the wave. ... The EM waves on the other hand are due to oscillating electric and magnetic fields perpendicular mutually and also to the direction of motion.
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What are the differences between sound waves and electromagnetic waves? Propogation: Sound waves are longitudinal, meaning that the vibrations occur parallel to the direction of propogation (travel). Electromagnetic waves are transverse, meaning that the vibrations occur perpendicular to the direction of propogation.
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Waves come in two kinds, longitudinal and transverse. Transverse waves are like those on water, with the surface going up and down, and longitudinal waves are like of those of sound, consisting of alternating compressions and rarefactions in a medium.
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Longitudinal and transverse waves Longitudinal sound waves are waves of alternating pressure deviations from the equilibrium pressure, causing local regions of compression and rarefaction, while transverse waves (in solids) are waves of alternating shear stress at right angle to the direction of propagation.
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Mechanical longitudinal waves are also called compressional or compression waves, because they produce compression and rarefaction when traveling through a medium, and pressure waves, because they produce increases and decreases in pressure.
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Light waves are electromagnetic waves while sound waves are mechanical waves. Light waves are transverse while sound waves are longitudinal. ... Sound waves require a material medium to travel, and hence, cannot travel in vacuum. The speed of light in a medium is constant.
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Sound waves traveling through air are indeed longitudinal waves with compressions and rarefactions. As sound passes through air (or any fluid medium), the particles of air do not vibrate in a transverse manner.
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In the longitudinal wave, the medium moves left to right, while in thee transverse wave, the medium moves vertically up and down. Longitudinal waves have a compression and rarefaction, while the transverse wave has a crest and a trough. Longitudinal waves have a pressure variation, transverse waves don't.
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A vibrating string can create longitudinal waves as depicted in the animation below. ... Since air molecules (the particles of the medium) are moving in a direction that is parallel to the direction that the wave moves, the sound wave is referred to as a longitudinal wave.