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chap 14 vocaboihioi

chap 14

QuestionAnswer
wave ` periodic disturbance in a solid ,liquid, or gas as enrgy is transmitted through a medium
medium physical environment in which phenomena occur
mechanical wave a wvae that requires a medium throught which to travel
electromagnetic wave a wave that consists of oscillation electricqand magnetic fields ,which raadiate outward at the speed of light
trancverse wave a wave in which the particles of the medium move perpendicular to the direction the wave is traveling
longitudinal wave a wave in which the particles of the medium vibrate parelle to the direction of the wave motion
crest the highest point of a wave
trough the lowest point in the wave
amplitude the maximum distance that the particles of a waves mediumvibrate from their rest position
wave length the distance from any point on a wave to an identical point on the next wave
doppler effect an observed change in the frequency of a wave when the source or observer is moving
reflection the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
diffraction a change in the direction of a wave when the wave finds an obstacle or an edge such as an opening
refraction the bending of a wave front as the wavefront passes between the two substances in which the speed of the wave differs
interference the combination of two or more waves of the same frequency that results in a single wave
constructive interference any interference in which waves combine so that the resulting wave is bigger than the original waves
destructive interference any interference in which waves combie so that the resulting wave is smaller than the largest of the original wave
standing wave the pattern of vibration that simulates a wave that is standing still
Created by: toshikonikki
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