Physics GCSE
centre of the lens
What centre of the lens means in Physics GCSE, as defined for AQA.
Definition of centre of the lens
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Reference: AQA
The point from which the focal length is measured, rather than from the edge or the surface of the lens.
Topics that use centre of the lens
- Lenses (physics only) (AQA GCSE)
Related terms
- always virtual
- arrowheads in or out
- converging and diverging
- diverging lens
- dotted projections
- magnifying glass
- matched comparison
- real image
Using centre of the lens in the exam
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