Physics GCSE
emission and absorption
What emission and absorption means in Physics GCSE, as defined for AQA.
Definition of emission and absorption
Check what you remember
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Reference: AQA
An atom can give out a wave or absorb a wave of the right frequency and move to a higher energy level.
Topics that use emission and absorption
- Properties of electromagnetic waves 2 (AQA GCSE)
Related terms
- absorption by an aerial
- aerial
- alternating current
- correlation and causation
- electron energy changes
- highly penetrating
- induced alternating current
- ionising radiation
Using emission and absorption in the exam
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