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There are two types of waves, transverse and longitudinal (sometimes called pressure or compression waves). When people think of waves, they often think of transverse waves. Click each video to see an example and explanation of both types.
(Sound waves in air and most fluids are longitudinal, because fluids have almost no shear strength. In solids, sound waves can be both transverse and longitudinal.) Figure \(\PageIndex{2a}\) shows the compressions and rarefactions, and also shows a graph of gauge pressure versus distance from a speaker.
Mechanical waves are classified into two types: transverse and longitudinal waves. Radio wave is an example of transverse wave and sound wave is an example of longitudinal wave.
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. A vibrating string can create longitudinal waves as depicted in the animation below.
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.
Waves can generally be categorized into two types: transverse and longitudinal. Transverse Waves: In a transverse wave, the movement of the particles in the medium (could be air, water, etc.) is at right angles to the direction of the wave.
There are two basic types of wave, transverse and longitudinal, differentiated by the way in which the wave is propagated. In a transverse wave, such as the wave generated in a stretched rope when one end is wiggled back and forth, the motion that constitutes the wave is perpendicular, or transverse, to the direction (along the rope) in which ...
Waves may be transverse or longitudinal. Electromagnetic waves are transverse waves with a wide range of properties and uses. Sound waves are longitudinal waves.
Top: Sound waves are longitudinal waves: the air moves back and forth along the same line as the wave travels, making alternate patterns of compressions and rarefactions. Bottom: Ocean waves are transverse waves: the water moves back and forth at right angles to the line in which the wave travels.
In longitudinal waves the displacement of the medium is parallel to the propagation of the wave. A wave in a "slinky" is a good visualization. Sound waves in air are longitudinal waves.