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Waves Flashcards

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16311683546A Waveis a disturbance that transfers energy from place to place0
16311683547VibrationA repeated back and forth or up and down motion.1
16311683548MediumThe material through which a wave travels is called a Gases (air), liquids, solids2
16311683549Mechanical WavesWaves that REQUIRE a MEDIUM to transfer energy.3
16311683550Electromagnetic wavesWaves that can travel and transfer energy WITHOUT a medium.4
16311683551Perpendicular2 lines that cross at a right angle (90 degrees)5
16311683552Transverse WavesWaves that move the medium at right angles (perpendicular) to the direction in which the waves travel6
16311683553CrestThe high part of a transverse wave7
16311683554TroughThe low part of a transverse wave is called a8
16311683555Longitudinal wavesWaves move the medium parallel to the direction in which the waves travel.9
16311683556Parallel2 lines that will never cross.10
16311683557CompressionArea of longitudinal wave where the coils are close together11
16311683558RarefactionArea of longitudinal wave where the coils are spread out, or rarefied12
16311683559Amplitudethe maximum distance the particles of the medium carrying a wave move away from their rest position.13
16311683560Wavelengththe distance between two corresponding parts of a wave.14
16311683561Frequencythe number of complete waves that pass a given point in a certain amount of time.15
16311683562Speedhow far the wave travels in one unit of time.16
16311683563Amplitude (Measure)Measure rest to crest OR rest to trough17
16311683564Wavelength (Measure)Measure starting point to starting point, crest to crest, OR trough to trough.18
16311683565Frequency (Measure)Count number of waves and divide it by seconds.19
16311683566Wave Speed (Measure)Frequency x wavelength units: cm/sec or mm/sec20
16311683567Sounda longitudinal wave21
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