Waves 0.0 / 5 ? PhysicsWavesIGCSECIE Created by: Alnama1191Created on: 26-03-17 07:42 86753214 Across 1. The speed at which a wave travels. (4, 5) 4. The number of seconds per wave. (4) 7. A line joining adjacent points on a wave that are all in step with each other. (9) 8. A wave in which the vibration is forward and back, along the direction in which the wave is travelling. (12, 4) Down 2. The distance between two consecutive crests or troughs. (10) 3. The number of waves per second. (9) 5. A wave in which the vibration is at right angles to the direction in which the wave is travelling. (10, 4) 6. The maximum displacement from the mean position to a crest. (9)
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