Physics A-Level
Graph extrapolation
What Graph extrapolation means in Physics A-Level, as defined for OCR.
Definition of Graph extrapolation
Check what you remember
Read the wording for your board, then hide it and explain Graph extrapolation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Extending the straight line to p = 0 gives the intercept on the T-axis, which is absolute zero.
Topics that use Graph extrapolation
- 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 Graph extrapolation in the exam
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