Physics A-Level
Ideal gas assumptions
What Ideal gas assumptions means in Physics A-Level, as defined for OCR.
Definition of Ideal gas assumptions
Check what you remember
Read the wording for your board, then hide it and explain Ideal gas assumptions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A large number of identical particles in random motion, with negligible volume and no intermolecular forces except during elastic collisions.
Topics that use Ideal gas assumptions
- Ideal gases (OCR A-Level)
Related terms
- Absolute zero
- Assumptions of ideal-gas behaviour
- Assumptions of kinetic theory
- Avogadro constant
- Boltzmann constant
- Gas laws
- Internal energy and the ideal-gas model
- Kelvin scale
Using Ideal gas assumptions in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge