Physics - Wave vocab
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21 Terms
Wave
motion of a disturbance
Longitudinal Wave
a mechanical wave in which the motion of the particles in the medium is parallel to the direction of the wave
Mechanical Wave
any wave that results from the oscillation of matter
Transverse Wave
a mechanical wave in which the motion of the oscillating particles in the medium is perpendicular to the direction of the wave
Periodic Wave
a disturbance whose source is from periodic motion
Medium
the type of matter through which a wave’s energy propagates
Pulse Wave
a single non-periodic disturbance
Wavelength
the distance between successive similar points, such as crests, of a wave
Wave Velocity
a combination of a wave’s distance and time properties; represents the speed at which the wave propagates
Amplitude
the maximum distance a particle moves from its starting point in a wave
Frequency
the number of wave cycles to pass a given point per unit of time
Period
the time it takes for a particle or physical quantity to move through one cycle of oscillation in a wave
Antinode
the point of maximum amplitude and displacement in a standing wave
Constructive Interference
the superposition of in-phase waves that produce a resultant wave with larger amplitude
Destructive Interference
the superposition of two waves that are out of phase with each other in such a way as to produce a smaller wave or cancelling each other out entirely
Nodes
a specific point along a standing wave where the wave has minimum or zero amplitude
Inversion
a reversal in the state, order, or spatial properties of a system
Reflection
a phenomenon that occurs when a wave or object bounces off an interface or another object
Refraction
the bending or change in direction of a wave as it passes from one medium to another
Standing Wave
a wave that does not appear to travel, produced when two identical waves interact as they travel in opposite directions
Superposition
the principle that rock layers form one on top of another, with the youngest layers toward the top