Physics 5054 · O Level · Physical quantities and measurement techniques

Physical quantities and measurement techniques — practice question

Select the statement that is correct.

  • AInfra-red radiation cannot travel in a vacuum.
  • BInfra-red radiation cannot travel in solids or in gases.
  • CInfra-red radiation can only travel in a vacuum.
  • DInfra-red radiation can travel in a vacuum and in gases.

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