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Sound and Light

TermDefinition
wave rhythmic disturbance that carries energy through matter or space
amplitude the maximum distance that the particles of a wave's medium vibrate from their rest position
pitch describes highness or lowness of a sound
resonance a phenomenon that occurs when two objects naturally vibrate at the same frequency, the sound produced by one object causes the other to vibrate
frequency the number of waves that pass a point in one second, measured in Hertz (Hz)
compression area on a sound wave where particles are "squished" together during a vibration
rarefaction part of a sound wave where particles are "rarely" found and more spaced out during a vibration
Doppler Effect a change in frequency (pitch) observed when the source of a sound and an observer are in motion relative to each other
refraction bending of waves that occurs upon entering a new medium and changing speed
interference waves combine to form a wave with a smaller (destructive) or larger (constructive) wavelength
gamma rays electromagnetic waves with the smallest wavelength, highest frequency, and most energy
radio waves electromagnetic waves with the longest wavelength, lowest frequency, and least energy
absorption light energy is taken in by particles of matter
reflection the bouncing back of a wave when it strikes a surface
crest highest point of a transverse wave
trough lowest point of a transverse wave
wavelength one crest and one trough of a transverse wave, or one rarefaction and one compression of a sound wave
Created by: lfurrow13
 

 



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