Physics A-Level
Absorption
What Absorption means in Physics A-Level, as defined for AQA.
Definition of Absorption
Check what you remember
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Reference: AQA
The loss of optical power as light is absorbed by the fibre material or impurities, converting energy to other forms such as thermal energy.
Topics that use Absorption
- Refraction at a plane surface (AQA A-Level)
Related terms
- Acceptance angle
- Critical angle
- Material dispersion
- Modal dispersion
- Pulse broadening
- Step-index optical fibre
- Total internal reflection
Using Absorption in the exam
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