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BJU Physical Sci 17

BJU Physical Science Ch 17 6th edition

TermDefinition
amplitude The maximum displacement from the equilibrium position during periodic motion.
compression A region of high density and pressure in a longitudinal (compression) wave.
crest The highest point of a wave.
damping Reducing the amplitude of periodic motion by applying a force that works against the motion.
diffraction The bending of waves around an obstacle or through an opening.
Doppler effect The perceived change in the frequency of a wave due to the motion of the wave's source or of the receiver.
frequency The number of waves or cycles that occurs per second.
interference The combining of waves where they overlap.
longitudinal wave A wave in which the disruptions are parallel to the direction of wave travel.
mechanical wave A wave that carries energy through a physical medium.
periodic motion Motion that repeats in equal time intervals.
rarefraction A region of lower density and pressure in a longitudinal (compression) wave.
reflection The bouncing of waves off a surface.
refraction A change in wave direction due to a change in a wave's speed as it enters a new medium.
resonance An increase in the amplitude of a vibration due to additional wave input.
simple harmonic motion Periodic motion that is caused by a restoring force that is proportional to the displacement of the system.
standing wave A wave that is moving even though the locations of the crests and troughs appear to be stationary.
transverse wave A wave in which the disruptions move perpendicular to the direction of wave travel.
trough The lowest point of a wave.
wave A disruption that carries energy from one location to another.
wavelength The distance between two identical points on successive waves.
Created by: marchscience
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