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End of chapter wa

waveshi
Diffraction The change in direction of a wave when it encounters and obstacle or edge.
Refraction The bending of waves as they pass from one medium to another at an angle
Standing Wave A pattern of virbration that resembles a stationary wave
Reflection The bouncing back of a wave when it meets a surface or boundary
constructive interference Interference that increases ampiltude
Destructive interference Interference that decreases ampiltude
Principle of superposition Method of adding crests and troughs of interferring waves together to describe a new wave
beats sounds produced by the interference of sound waves that are used to tune piano strings
interference the combination of two or more wave that results in a single wave
nodes points in a standing wave that have no virbration due to destructive interference
Sound A vibration that propagates as an audible wave of pressure, through a medium such as a gas, liquid or solid.
Pitch the quality of a sound governed by the rate of vibrations producing it;
Infrasonic vibrational or stress waves in elastic media, having a frequency below those of sound waves that can be detected by the human ear
Ultrasonic vibrations of frequencies greater than the upper limit of the audible range for humans
Doppler the change in wave frequency during the relative motion between a wave source and its observer
Acoustics The branch of physics that is concerned with the study of sound
Created by: 2029474 ed
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