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Quantities and units2.1 Physical quantities2.1.1
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Course idea

Physical quantities

OCR A AS Physics · 2.1.1

Explore physical quantities within quantities and units. Express physical quantities in consistent units. Check that both sides of an equation describe the same kind of quantity before substituting values.

Specification outcomes (2)
  • 2.1.1(a) Physical quantities have a numerical value and a unit.
  • 2.1.1(b) Make estimates of physical quantities listed in the specification.
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H156 v2.0 · May 2026

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