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GCSE Combined Science · key term
A line or surface joining points at the same stage of a wave's oscillation, such as points along a water-wave crest.
Used by AQA and Edexcel
Specification 6.6.1.2, 6.6.2.2 · Paper 6
A line joining points at the same stage of a wave, such as a line of crests on a water surface.
Revise: Measuring Wave PropertiesWhen stationary, the rod should just touch the water surface. Its up-and-down vibration produces straight wavefronts.
A line joining points at the same stage of a wave's cycle, such as points along a crest.
Paper 5, Paper 6
Revise: Wave properties and velocityA wavefront joins points at the same stage of the oscillation. Looking down on water ripples, a line drawn along a crest represents a wavefront. Straight wavefronts travel perpendicular to their length.
A line joining points on a wave that are at the same stage of their vibration, such as a line along a wave crest.
Count wavelength intervals, not wavefronts: six consecutive crests span five wavelengths.
For a wavefront explanation, state that one end changes speed before the other, then link this to the change in direction.
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