IB Physics SL B.3.3 Ideal gas model Question Bank
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
- Identify kinetic-model assumptions about point particles, random motion, forces and elastic collisions.
- Use pV data and molecular-collision reasoning to judge whether a gas behaves ideally.
B.3.3—Ideal gas model 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;
All question bank results loaded