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All About Waves

Properties of Waves

TermDefinition
Transverse Wave Waves where the medium moves at right angles to the wave direction.
Wave A disturbance that carries energy from place to place.
Longitudinal Wave Waves where the medium moves back and forth in the wave direction.
Crest The highest point of a transverse wave.
Trough The lowest point of a transverse wave.
Medium Material through which waves travel: gases, liquids, solids.
Mechanical Wave Waves that require a medium. (sound waves)
Electromagnetic Wave Waves that don't require a medium. (radio waves)
Compression Where particles are closest together in a longitudinal wave.
Rarefaction Where particles are farthest apart in a longitudinal wave.
Wavelength The distance between one point on a wave and the same point on the next wave.
Amplitude How far the medium moves from the rest position.
Wave Speed The speed that a wave travels. Wave speed = frequency x wavelength.
Frequency How many waves go past a point in one second.
What do waves with higher amplitude or frequency have? They have higher energy.
Reflection Waves that bounce off a surface.
Law of Reflection The angle of light going to the surface is at the same angle as the reflection.
Refraction Bending of waves when reaching a new medium.
Diffraction The bending of waves around an object.
Created by: cook2sm
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