Radiation — Supplement Learning Objectives
Summary
- Know that for an object to be at a constant temperature it needs to transfer energy away from the object at the same rate that it receives energy
- Know what happens to an object if the rate at which it receives energy is less or more than the rate at which it transfers energy away from the object
- Know how the temperature of the Earth is affected by factors controlling the balance between incoming radiation and radiation emitted from the Earth's surface
- Describe experiments to distinguish between good and bad emitters of infrared radiation
- Describe experiments to distinguish between good and bad absorbers of infrared radiation
- Describe how the rate of emission of radiation depends on the surface temperature and surface area of an object
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