Physics A-Level
Impedance matching
What Impedance matching means in Physics A-Level, as defined for AQA.
Definition of Impedance matching
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Reference: AQA
The middle ear acts as an impedance-matching system, improving energy transfer from air to the fluid-filled inner ear.
Topics that use Impedance matching
- Ear as a sound detection system (A-level only) (AQA A-Level)
Related terms
Using Impedance matching in the exam
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