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# IPC Waves

TermDefinition
Wave A disturbance traveling through a medium where energy is transferred from one particle of the medium to another without causing any permanent displacement of the medium itself.
Medium The substance or material that carries a wave. Only mechanical waves require a medium.
Mechanical waves A wave that is not able to transmit its energy through a vacuum; they require a medium in order to transmit energy.
Electromagnetic waves A wave that is able to transmit its energy through a vacuum; they do not require a medium in order to transmit energy.
Crest The part of a wave with greatest magnitude; the highest part of a wave.
Trough The part of a wave with the least magnitude; the lowest part of a wave.
Amplitude measure of the size of the disturbance of a wave; height; half the full extent of a vibration, oscillation, or wave.
Wavelength The distance between one peak or crest of a wave and the next peak or crest.
Frequency the number of wavelengths that pass through a fixed point in one second; measured in Hertz
Transverse wave a wave vibrating at right angles to the direction of its movement
Longitudinal (compression) wave A wave that is moving in the same direction as the displacement of the transmitting medium.
Reflection a wave behavior in which waves strike an object and bounce back off
Refraction The turning or bending of a wave when it passes from one medium into another
Interference occurs when two waves meet while traveling along the same medium and combine to form a new wave
Constructive interference Occurs when waves add up to make a larger amplitude.
Destructive interference Occurs when waves add up to make a smaller amplitude.
Electromagnetic spectrum The range of wavelengths or frequencies over which electromagnetic radiation extends.
Created by: NEISDSci
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