Flashcards

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Matthew 0815 English 15 cards

Cards in this deck (15)

1Progressive waveThe wavefront moves through a medium
2Longitudinal waveDisplacement of the medium moves in the same direction as the wave
3Transverse waveOscillations are perpendicular to the waves direction
4Displacementa distance that a point on a medium has moved from rest
5AmplitudeDistance from centre line to top of crest or bottom of trough
6WavelengthThe distance over which the shape repeats
7PeriodTime taken for a whole cycle to complete
8FrequencyNumber of cycles per second past a given point
9PhaseMeasurement of the position of a certain point along the wave
10Phase differenceThe amount one wave lags behind another
11law of reflectionangle of incidence = angle of reflection
12PolarisationPolarised waves only oscillate in one direction
13IntensityHow much energy a wave is carrying
14Refractive indexHow much something slows down light
15Electromagnetic wavesTransverse waves