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Physics · May / June 2026 · Paper 11 · Question 22

5054General properties of waves

Which equation gives the speed of a wave?

  1. Aspeed = amplitude ÷ frequency
  2. Bspeed = amplitude × frequency
  3. Cspeed = wavelength ÷ frequency
  4. Dspeed = wavelength × frequency

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Correct answer: D. speed = wavelength × frequency

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