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Physics (AS & A Level) · Oct / Nov 2025 · Paper 13 · Question 24

9702Transverse and longitudinal waves

Which row is correct for sound waves?

  1. Acan travel in a vacuum: no; can be polarised: no; can diffract through a gap: yes
  2. Bcan travel in a vacuum: yes; can be polarised: no; can diffract through a gap: no
  3. Ccan travel in a vacuum: no; can be polarised: yes; can diffract through a gap: no
  4. Dcan travel in a vacuum: no; can be polarised: yes; can diffract through a gap: yes

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Correct answer: A. can travel in a vacuum: no; can be polarised: no; can diffract through a gap: yes

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