Physics A-Level
Intensity and photoelectric current
What Intensity and photoelectric current means in Physics A-Level, as defined for AQA.
Definition of Intensity and photoelectric current
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Reference: AQA
Increasing intensity increases the number of electrons per second, not their maximum kinetic energy.
Topics that use Intensity and photoelectric current
- 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 Intensity and photoelectric current in the exam
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