Physics A-Level
Convergence
What Convergence means in Physics A-Level, as defined for AQA.
Definition of Convergence
Check what you remember
Read the wording for your board, then hide it and explain Convergence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Several rods connect onto one neurone, so their signals are pooled and acuity is lower.
Topics that use Convergence
- Physics of vision (A-level only) (AQA A-Level)
Related terms
- Accommodation
- Cornea
- Fovea
- Spectral response
- Comparison with a photodetector
- Cone cells
- Real image
- Rhodopsin
Using Convergence in the exam
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