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Question
What is the wavefront of a wave?
What is the wavefront of a wave?
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Solution
Concept: Longitudinal Waves
- A wavefront is a fictitious surface that represents matching wave points that vibrate in synchrony.
- A wavefront is a collection of all spots in a medium where the wave has the same phase.
- This might be the location of all the crests and troughs or any period in between.
- A point source of light forms a spherical wavefront, a line source forms a cylindrical wavefront and an area source forms a plane wavefront as shown in the diagram:
Concept: Longitudinal Waves
- A wavefront is a fictitious surface that represents matching wave points that vibrate in synchrony.
- A wavefront is a collection of all spots in a medium where the wave has the same phase.
- This might be the location of all the crests and troughs or any period in between.
- A point source of light forms a spherical wavefront, a line source forms a cylindrical wavefront and an area source forms a plane wavefront as shown in the diagram:
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