Exam-style question
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What is the phase difference between two points on a wave that are one wavelength apart?.
- A.0 degrees
- B.90 degrees
- C.180 degrees
- D.360 degrees
Model answer
What a good answer should say
- 360 degrees
Explanation
Why this works
The phase difference between two points on a wave that are one wavelength apart is 360 degrees, indicating that they are in phase with each other.
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