Physics A-Level
Black-body radiation
What Black-body radiation means in Physics A-Level, as defined for AQA.
Definition of Black-body radiation
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Reference: AQA
Radiation absorbed and emitted across all wavelengths by a black body, with a spectrum depending on temperature.
Topics that use Black-body radiation
- The discovery of photoelectricity (A-level only) (AQA A-Level)
Related terms
- Intensity
- Limitations of classical wave theory
- Photon energy and frequency
- Planck constant
- Planck's quantum hypothesis
- Quanta
- Quantisation of energy
- Threshold frequency
Using Black-body radiation in the exam
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