Sound National 4/5 S3 review of basic wave/sound properties and units 3.0 / 5 based on 1 rating ? PhysicsNational 5SQA Created by: Adrian SudworthCreated on: 22-10-12 20:55 The distance from the rest position to the crest or trough of a wave amplitude 1 of 11 How far a wave travels every second speed 2 of 11 The number of waves that pass a point in one second frequency 3 of 11 The shortest distance before a wave pattern repeats wavelength 4 of 11 The unit used to measure sound levels decibels 5 of 11 The type of sound used to study unborn babies ultrasound 6 of 11 340 m/s is the speed of ----- in air? sound 7 of 11 The unit of frequency hertz 8 of 11 Both wavelength and amplitude can be measured in........ metres 9 of 11 What sound cannot travel through? vacuum 10 of 11 If 20 waves pass in 4 seconds the frequency is ----- Hz five 11 of 11
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