Physics A-Level
Root mean square speed
What Root mean square speed means in Physics A-Level, as defined for OCR.
Definition of Root mean square speed
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Reference: OCR
The square root of the mean square speed, a representative speed for the particles that is not the same as the average speed.
Topics that use Root mean square speed
- 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
Using Root mean square speed in the exam
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