Use of waves 1 0.0 / 5 ? PhysicsWavesGCSEAQA Created by: BiggsyCreated on: 13-03-15 17:23 938726415 Across 1. When a wave source is moving towards or away from an observer there is a change in observed wavelength and frequency (7) 5. The wave that is perpendicular to the direction of travel (10) 6. Frequency is measured in... (5) 7. The wave that is parallel to the direction of travel (12) Down 2. As the amplitude is increased the sound becomes... (6) 3. As the frequency is increased the sounder becomes... (6, 7) 4. When light rebounds off a surface and changes direction it is... (9) 8. When a wave passes through a narrow opening (11) 9. Angle of incidence = (5, 2, 10)
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