Physics GCSE
comparing heights
What comparing heights means in Physics GCSE, as defined for AQA.
Definition of comparing heights
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Reference: AQA
Taking any two heights, where everything above the upper one is also above the lower one, and the lower surface carries the extra slab of air between them.
Topics that use comparing heights
- Atmospheric pressure (AQA GCSE)
Related terms
- altitude
- average density
- collision frequency
- column of air
- compression by the air above
- extra layer of air
- force per unit area
- particle spacing
Using comparing heights in the exam
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