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Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 20

9702Progressive waves

The displacement-distance graph for a transverse progressive wave is shown. The phase difference between points X and Y can be expressed as (180 n)°. What is the value of n?

  1. A1.5
  2. B2.5
  3. C3.0
  4. D6.0

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Correct answer: C. 3.0

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