IB Physics SL B 3 3 Ideal Gas Model Questions
Practise IB Physics SL B.3.3 by applying ideal-gas assumptions to molecular motion, collisions, pressure and simple pV tests.
- Syllabus
- First assessment 2025
- Course
- Physics SL
- Level
- SL
Exam points
- Represent energy transfers and useful or wasted outputs using a correctly labelled Sankey diagram.
- Construct or interpret arrow widths, scale and efficiency from complete mark-scheme evidence.
IB Physics SL B 3 3 Ideal Gas Model Questions question 1
[Maximum number: 2]
This question is in two parts. Part 1 is about ideal gases and specific heat capacity. Part 2 is about simple harmonic motion and waves.
Part 1 Ideal gases and specific heat capacity
State two assumptions of the kinetic model of an ideal gas.
point molecules / negligible volume;
no forces between molecules except during contact;
motion/distribution is random;
elastic collisions / no energy lost;
obey Newton's laws of motion;
collision in zero time;
gravity is ignored;
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