CAPE Physics Unit 1 · 2013 · Paper 1 · Question Q44

Which of the following statements is NOT one of the basic assumptions of the kinetic theory of gases?

1. (A)The attractive forces between the gas molecules are negligible.
2. (B)The collisions between the gas molecules are inelastic.
3. (C)The size of the gas molecules is negligible compared to their separation.
4. (D)The duration of a collision is negligible compared with the time between collisions.