Physics GCSE
shared construction rays
What shared construction rays means in Physics GCSE, as defined for AQA.
Definition of shared construction rays
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Reference: AQA
Both lens types use the same two construction rays: one through the centre that carries straight on and one arriving parallel to the principal axis.
Topics that use shared construction rays
- 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 shared construction rays in the exam
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