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Physics (AS & A Level) · Oct / Nov 2021 · Paper 12 · Question 23

9702Transverse and longitudinal waves

The table contains descriptions and examples of waves. Which row is correct?

  1. Aoscillations are parallel to the direction of energy transfer — gamma-rays
  2. Boscillations are parallel to the direction of energy transfer — ultraviolet waves
  3. Coscillations are perpendicular to the direction of energy transfer — sound waves
  4. Doscillations are perpendicular to the direction of energy transfer — X-rays

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Correct answer: D. oscillations are perpendicular to the direction of energy transfer — X-rays

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