Physics A-Level
Resolution
What Resolution means in Physics A-Level, as defined for AQA.
Definitions of Resolution
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Reference: AQA
Replaces one vector by two perpendicular vectors whose combined effect is identical, not extra forces but a mathematical replacement.
The ability to resolve fine detail, limited in the eye by the spacing of receptors and in a CCD set by small pixels.
The smallest change an instrument can detect, such as 0.01 mm on a digital micrometer or 1 mm on a metre rule.
Topics that use Resolution
- Advantages of large diameter telescopes (A-level only) (AQA A-Level)
- Limitation of physical measurements (AQA A-Level)
- Scalars and vectors (AQA A-Level)
Related terms
- Absolute uncertainty
- Astronomical calculations
- Averaging
- Collecting power
- Combination of absolute and percentage uncertainties
- Coplanar forces at a point
- Displacement
- Equilibrium
Using Resolution in the exam
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