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Physics · May / June 2026 · Paper 12 · Question 23

5054General properties of waves

The diagram shows the refraction of water waves as they cross a boundary in a ripple tank. What causes this refraction?

  1. Aa change in frequency due to a change in depth
  2. Ba change in frequency due to a change in wavelength
  3. Ca change in speed due to a change in depth
  4. Da change in speed due to a change in frequency

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Correct answer: C. a change in speed due to a change in depth

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