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Wave Test Mr. Young

QuestionAnswer
Energy is the ability to cause change.
Waves are rhythmic disturbances carry energy without carrying matter.
Mechanical Waves Travel as energy is transferred from particle to particle.
Medium is the matter that carries energy.
A Transverse Wave causes matter in the medium to move up and down or back and forth at right angles the direction that the wave travels.
A compressional wave moves matter back and forth in the same direction that wave is moving.
Sound Waves are Compressional Waves.
Seismic waves are caused by vibrating in the ground.
There are 3 types of Seimic waves: Primary(P)Waves, Secondary(S)Waves, and Surface(L) Waves.
Primary wave Oscillates back and forth along the direction the wave travels.
Secondary Wave Oscillates perpendicular to the direction of wave motion.
Surface Wave Causes horizontal and sometimes vertical ground movement.
Electromagnetic waves is energy that can travel through space that has no matter.
Electromagnetic Spectrum: Radio Waves, miscro waves, infrarred, ROYGBIV, Ultraviolet, X-rays, and gamma.
Amplitude of a transverse wave is 1/2 the distance between a crest and a trough.
The larger the amplitude, the more energy the wave will carry.
Wavelength is the distancde between crest and the next crest or trough to the next trough on a transverse wave and on a compressional wave it is the distance between the center of a compression to the center of the next compression, or center on the rarefaction to the center of the next rarefaction.
Frequency is the number of waves that pass a point in 1 second and is measured in wavelengths per second or Hertz (Hz)
Blue has a short wavelength and red has a long wavelength.
Light travels through theair at 300 million m/s(3x10^5 m/s) Sound travels through the air at 340 m/s.
Reflection occurs when a wave bounces off a surface.
Refraction occurs when waves are bent as they pass from one medium to another.
Diffraction is the bending of waves around a barrier.
Violet bends more than red.
Constructive interference occurs when crests pverlap and combine with each other.
Destructive interference occurs when a crest and a trough overlap and the amplitudes amount out or form a small crest.
Created by: Christian Stepp
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