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The Three Types of Waves
4
Longitudinal Waves
-Particles move parallel to waves
-Sound waves are longitudinal
-All waves traveling through
a bulk of fluid, such as a liquid or a
gas, are longitudinal.
-Only waves capable of traveling through the core
of the earth.
-Move in linear motions
-Seismic waves, which are created by
earthquakes, are longitudinal.
-Wave movements occur
in all particles
-Travel through a solid medium
-Move through compression and rarefaction
Transverse Waves
-Describe wave
movement types
-Particles move perpendicular to
waves
-Disturbances in a medium
-Can only be
mechanical waves
-Usually require a rigid medium
-The initial disturbance is
always separate from the
waves themselves.
-Ocean waves are transverse waves.
-Can all be found in
earthquakes
-A vibration on a string is another
example of transverse waves.
-Contain crests and troughs
-Can be mechanical or
electromagnetic
-Wave movement only occurs on
surface particles
-Movement occurs in circular motions
-Light waves
are transverse
-A combination of both longitudinal and transverse
-Movement decreases as waves get further
from the surface
Surface
-Occurs on a boundary between two substances
-Rayleigh and Love waves are types of surface waves.
Surface Waves
For surface waves, particles move in a circular motion. Only the surface particles undergo this circular motion. The motion of the particles usually decrease as they move further away from the surface. An example of surface waves are waves on the surface of the water or the ground during an earthquake.
Sources:
"Categories of Waves." Physics Classroom. The
Physics Classroom, n.d. Web. 18 Sept. 2016.
Transverse
Osbourne, Jonathan. "Wave Characteristics." Brightstorm. Brightstorm Inc., n.d. Web. 18 Sept. 2016.
"Transverse Waves." Tutor Vista. NCS Pearson, n.d. Web. 18 Sept. 2016.
A transverse wave is one in which particles of the medium move perpendicular to to the direction in which the wave moves. This means if the waves are moving what appears to be left to right, the particles would appear to be moving up and down. An example of transverse waves are ocean waves.
Rebert, Suzanne. "What Are Surface Waves?" Study.com. Study.com, n.d. Web. 18 Sept. 2016.
Longitudinal
Longitudinal waves are waves in which particles in a medium move parallel to the waves. This means if the waves appear to be moving from left to right, so will the particles. An example of longitudinal waves are sound waves.