Physics A-Level
Scale and order of magnitude
What Scale and order of magnitude means in Physics A-Level, as defined for AQA.
Definition of Scale and order of magnitude
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Reference: AQA
Nuclear radii are of the order of 10⁻¹⁵ m to 10⁻¹⁴ m, commonly quoted in femtometres where 1 fm = 10⁻¹⁵ m.
Topics that use Scale and order of magnitude
- 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 Scale and order of magnitude in the exam
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