Physics Key term definitions 0.0 / 5 ? ICTWaves in communicationsBTEC NationalEdexcel Created by: BeetleJuice21Created on: 13-05-18 11:05 Wavelength The measurement in metres from the beginning to the end of one complete wave oscillation. 1 of 9 Frequency The number of complete oscillations per second. 2 of 9 Compression The region of a longitudinal wave where the particles involved in the wave motion are close together. 3 of 9 Rarefraction The region of a longitudinal wave where the particles involved in the wave motion are spread apart. 4 of 9 Peak The point at the top of a transverse waveform 5 of 9 Trough The point at the bottom of a transverse wavefrom 6 of 9 Amplitude The maximum displacement measured from the rest position. 7 of 9 Displacement The distance of the waveform or particles involved in the wave motion from the rest position. 8 of 9 Wave speed The wavelenth in metres divided by the time taken for one complete oscillations. 9 of 9
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