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● Mechanics and materials● Electricity● Waves and quantum● Practical and maths skills

Explore the idea Physical quantities 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. Open the official OCR AS specification ↗ H156 v2.0 \cdot May 2026 See it in an exam No exam example linked yet. You can still explore the explanation and related topics. PhysicsUK practice Solve QWC No PhysicsUK question linked yet. New eligible questions appear here as the bank grows.

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