Physics GCSE
black body
What black body means in Physics GCSE, as defined for AQA.
Definitions of black body
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Reference: AQA
A body that does not reflect or transmit any radiation, so the whole of the incident radiation must be absorbed.
The perfect absorber, which must also be the perfect emitter and so is the best possible emitter of radiation.
Topics that use black body
Related terms
- cooling curves
- matt and shiny surfaces
- no reflection
- rate of emission
- complete absorption
- good absorber is a good emitter
- infrared absorption
- infrared emission
Using black body in the exam
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