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20 Cards in this Set

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a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
wave
a physical enviorment in which phenomena coour
medium
a wave that requires a medium through which to travel
mechanical wave
a wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light
electromagnetic wave
a wave in which the particles of the medium move perpendicular to the direction the wave is traveling
transverse wave
a wave in which the particles of the medium vibrate parallel to the direction of wave motion
longitudinal wave
the highest point of the wave
crest
the lowest point of the wave
trough
the maximum distance that the particles of a wave's medium vibrate from the rest position
amplitude
the distance from any point on a wave to an identical point on the next wave
wavelength
the time that it takes a complete cycle or wave oscillation to occur
period
the number of cycles or vibrations per unit of time
frequency
an observed change in the frequency of a wave when the source or observer is moving
Doppler effect
the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
reflection
a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
diffraction
the bending of a wavefront as the wavefront passes between two substances in which the speed of a wave differs
refraction
the combination of two or more waves of the same frequency that results in a single wave
interference
any interference in which waves combine so that the resulting wave is bigger than the original waves
constructive interference
any interference in which waves combine so that the resulting wave is smaller than the largest of the original waves
destructive interference
a pattern of vibration that simulates a wave that is standing still
standing wave