Describing waves
2 marks · NormalWhat is meant by the phase of a wavefront?
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Phase of a wavefront refers to all points on the wavefront being at the same stage of vibration.
Also accept: All points are in step or vibrating together; All points have the same displacement and motion
Common mistakes: Confusing phase with position; Giving examples only
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Marking points
B1 · 1 mark · States that phase means same stage of vibration.
B2 · 1 mark · Refers to all points on a wavefront being in phase or moving together.
Worked solution
The phase of a wavefront is the fact that all points are at the same stage in their vibration, vibrating together.