Physics 9702 · AS & A Level · Physical quantities

Physical quantities — practice question

Which row gives the correct information for sound waves?

  • Acan travel in a vacuum: no; can be polarised: no; can diffract through a gap: yes
  • Bcan travel in a vacuum: yes; can be polarised: no; can diffract through a gap: no
  • Ccan travel in a vacuum: no; can be polarised: yes; can diffract through a gap: no
  • Dcan travel in a vacuum: no; can be polarised: yes; can diffract through a gap: yes

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