Physics GCSE
object distance
What object distance means in Physics GCSE, as defined for AQA.
Definition of object distance
Check what you remember
Read the wording for your board, then hide it and explain object distance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
How far the object is from the lens, which decides whether the image is real or virtual.
Topics that use object distance
- 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 object distance in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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