Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

An object emits infrared radiation. Which two properties of the object determine the rate at which thermal energy is radiated from it?

  • Athe density and the surface area of the object
  • Bthe density and the surface temperature of the object
  • Cthe mass and the surface area of the object
  • Dthe surface area and the surface temperature of the object

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