Physics 0625 · IGCSE · Electromagnetic spectrum

Electromagnetic spectrum — practice question

Which statement about infra-red radiation is accurate?

  • AA black surface is a poor absorber of infra-red radiation.
  • BA dull surface is a better emitter of infra-red radiation than a shiny surface.
  • CA shiny surface is a better absorber of infra-red radiation than a dull surface.
  • DA white surface is a poor reflector of infra-red radiation.

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