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Physical Quantities.

Physics is about modelling the behaviour of objects by looking at their physical quantities.A physical quantity is a property of an object that can be measured. There are seven base quantities by which all other quantities can be derived. These are:
  • mass
  • length
  • time
  • electric current
  • absolute temperature
  • amount of substance
  • luminous intensity

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Specification: OCR Physics A (H156), AS-level, 2.1.1 Physical quantities. Topic: Quantities and Units.

Key terms in this lesson

intensity
The radiant power passing through a surface per unit area.

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All 10 lessons in Quantities and Units · All OCR AS-level Physics topics