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# IPC VOCAB 11&12

### CHAPTER 12

wave an oscillation that travels
vibration a word that means the same as oscillation
wave pulse a short length of wave that travels
transverse a wave where the oscillation is perpindicular to the direction of motion
longitudinal a wave where the oscillation is in the same direction as the direction of motion
wavelength the length of one complete wave
natural frequency a special frequency at which objects vibrate if they are disturbed
resonance a special condition where the frequency you push matches the natural frequency of the system, resulting in large amplitude waves
interference the interaction of two or more waves with each other
boundary a place where a wave changes suddenly
reflection the process of bouncing a wave off a boundary
refraction the process of bending a wave as it crosses a boundary
diffraction what happens when a wave bends around obstacles or through holes
absorption the process where a wave gets smaller and smaller
node a point on a wave where there is no motion
antinode the place on a wave where the amplitude is largest
harmonic a wave whose frequency is a multiple of another wave
standing wave a wave that is trapped between two boundaries
harmonic motion back and forth or repeating motion
cycle a part of motion that repeats over and over
system a group of things we think are important to consider when analyzing something
oscillator a system in harmonic motion
hertz a unit of one cycle per second
period the time it takes to complete one cycle
frequency the number of cycles per second
amplitude the size of a cycle
damping any process that causes cycles to get smaller and smaller in amplitude
phase a way to identify where an oscillator is in its cycle
Created by: lbanana217