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Physics (AS & A Level) · May / June 2017 · Paper 12 · Question 27

9702Stationary waves

Which row describes the oscillations of two moving particles in a stationary wave that are separated by a distance of half a wavelength?

  1. Aphase difference: 90°; amplitude: different
  2. Bphase difference: 90°; amplitude: same
  3. Cphase difference: 180°; amplitude: different
  4. Dphase difference: 180°; amplitude: same

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Correct answer: D. phase difference: 180°; amplitude: same

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