Physics A-Level
Microscopic origin of pressure
What Microscopic origin of pressure means in Physics A-Level, as defined for OCR.
Definition of Microscopic origin of pressure
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Reference: OCR
Pressure is caused by the rate of change of momentum of molecules colliding with the walls.
Topics that use Microscopic origin of pressure
- Ideal gases (OCR A-Level)
Related terms
- Absolute zero
- Assumptions of ideal-gas behaviour
- Assumptions of kinetic theory
- Avogadro constant
- Boltzmann constant
- Gas laws
- Ideal gas assumptions
- Internal energy and the ideal-gas model
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