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Ch. 11 vocab

waves

TermDefinition
amplitude the maximum displacement from equilibrium
anti-node a point in a standing wave, halfway between two nodes
complete destructive interference occurs when two pulses completely cancel each other out
constructive interference interference in which individual displacements on the same side of equilibrium are added together to form a resultant wave larger that the individual waves
crest the highest point on a wave
destructive interference interference in which individual displacements on opposite sides of equilibrium are combined to form a resultant wave
frequency the number of cycles or vibrations per unit of time
longitudal wave a wave whose particles vibrate parallel to the direction of wave motion
mechanical wave a wave that requires a material medium
medium the material through which a disturbance travels
node a point in a standing wave that undergoes complete destructive interference and therefore is stationary
period the time it takes to complete a cycle of motion
periodic wave a wave whose source is some form of periodic motion
pulse wave a single non-periodic disturbance
transverse waves a wave whose particles vibrate perpendicular to the direction of wave motion
trough the lowest point of a wave
wavelength the distance from crest to crest or from trough to trough
Created by: accident_prone