Physics GCSE
absorption by an aerial
What absorption by an aerial means in Physics GCSE, as defined for AQA.
Definition of absorption by an aerial
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Reference: AQA
The radio wave is absorbed by the aerial, and the oscillating electric field it carries pushes the free electrons in the metal backwards and forwards.
Topics that use absorption by an aerial
- Properties of electromagnetic waves 2 (AQA GCSE)
Related terms
- aerial
- alternating current
- correlation and causation
- electron energy changes
- highly penetrating
- induced alternating current
- ionising radiation
- matching frequency
Using absorption by an aerial in the exam
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