waves 3.5 / 5 based on 6 ratings ? PhysicsWavesASAQA Created by: rayanne vitaliCreated on: 28-09-12 19:21 electromagnetic waves are ... ... fields that progress without any need for a substance 1 of 13 longitudinal waves = waves in which the direction of vibrations of particles are parallel to the direction in which the wave travels 2 of 13 frequency number of cycles of a vibration of a particle per second 3 of 13 polarised waves = a wave thats filtered to only let vibrations in a certain direction move 4 of 13 displacement a distance and direction from a particles equilibruim 5 of 13 phase difference is ... the fraction of a cycle between the vibration of two particles 6 of 13 mechanical waves are ... .. waves that need a medium to travel through 7 of 13 amplitude maximum displacement of a vibrating particle. 8 of 13 transverse waves = waves in which the direction of vibration is perpendicular to the direction in which the wave travels 9 of 13 refraction when waves pass across a boundary at which the wave speed changes 10 of 13 diffraction when waves spread out after passing through a gap 11 of 13 superposition when waves combine at the moment when they pass through eachother 12 of 13 staionary waves are made of progressive waves 13 of 13
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