Physics 5054 · O Level · Physical quantities and measurement techniques

Physical quantities and measurement techniques — practice question

Which of the statements is correct?

  • AInfrared radiation cannot travel in a vacuum.
  • BInfrared radiation cannot travel in solids or in gases.
  • CInfrared radiation can only travel in a vacuum.
  • DInfrared radiation can travel in a vacuum and in gases.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI