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PSQ3W7PHYS

WAVE PROPERTIES

QuestionAnswer
Displace to remove from the usual place
Equilibrium a state of balance; the “flat line” of a wave
Amplitude a measure of the displacement from the equilibrium point on a wave; it’s basically how tall a wave is; the bigger the amplitude of a wave, the more energy it has; a large ocean wave has a larger amplitude than a small wave created in a pool.
Crest high point of a wave.
Electromagnetic waves transverse wave made up of oscillating electric and magnetic fields.
Oscillating to swing back and forth with a steady, uninterrupted rhythm
Wavelength one complete crest and one complete trough
Trough low point of a wave
Period time it takes for one complete wavelength to pass a given point
Wave speed depends on the medium through which the wave travels; sound waves travel faster in water than in air.
Frequency how many times a wave repeats itself per unit of time
Vibration oscillation relative to a fixed reference point, or a single complete oscillation
Hz unit for frequency; one hertz equals the passing of one wavelength per second
wave speed equation speed = frequency x wavelength
transverse waves source moves up and down; transport of energy is perpendicular to motion
surface waves travel in a circular motion; actually a combination of longitudinal and transverse waves; motion is up and down while moving left to right
longitudinal waves medium moves parallel to the direction of energy transport
mechanical waves cannot transmit energy without some kind of medium through which to move; ocean waves and the “wave” in a stadium
Seismic waves made up of longitudinal waves, which reach the Earth’s surface first; transverse waves, which cause the swaying of buildings; and surface waves, which cause the most damage during an earthquake.
Created by: Ruth.Miller
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