Physics A-Level
upper estimate
What upper estimate means in Physics A-Level, as defined for AQA.
Definition of upper estimate
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Reference: AQA
A value that overestimates the radius because the point-charge and strong-force approximations are ignored and the alpha never touches the nuclear surface.
Topics that use upper estimate
- Nuclear radius (A-level only) (AQA A-Level)
Related terms
- Closest approach
- de Broglie wavelength
- distance of closest approach
- first minimum
- Nuclear density
- Nuclear radius
- Proportional reasoning in nuclear physics
- Relationship between radius, volume and density
Using upper estimate in the exam
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