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Why can an object that feels cold still emit thermal radiation?
A
The object warms, so emitted power increases until it matches absorbed power.
B
Earth emits energy to space mainly as long-wavelength infrared radiation.
C
It is above absolute zero, so it emits electromagnetic radiation.
D
Emission and absorption continue at equal average rates.
Card 1 of 20
5.3 Black body radiation (physics only) Flashcards
20 flashcards on Edexcel GCSE Physics 5.3 Black body radiation (physics only): the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.