Physics A-Level
Image quality: sharpness and contrast
What Image quality: sharpness and contrast means in Physics A-Level, as defined for AQA.
Definition of Image quality: sharpness and contrast
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Reference: AQA
Sharpness is improved by a small focal spot and reduced object-to-detector distance, while contrast depends on differential attenuation.
Topics that use Image quality: sharpness and contrast
- The physics of diagnostic X-rays(A-level only) (AQA A-Level)
Related terms
- Bremsstrahlung
- Characteristic X-rays
- Continuous spectrum
- Control of beam intensity and photon energy
- Radiation protection and patient dose
- Thermal management in X-ray tubes
- Maximum photon energy
Using Image quality: sharpness and contrast in the exam
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