CAIE A-Level Physics 15.3.1 Assumptions of Kinetic Theory

Practise stating kinetic-theory assumptions about molecular motion, collisions and forces, and explaining their implications for an ideal-gas model.

Exam points

state the basic kinetic-theory assumptions about molecules, motion, collisions and intermolecular forces
identify which assumptions justify an ideal-gas model in a stated situation
interpret the limits or implications of the kinetic-theory assumptions

[Maximum number: 2]

Use one of the basic assumptions of the kinetic theory to explain what can be deduced about the potential energy associated with the random motion of molecules in an ideal gas.

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15.3.1—The basic assumptions of the kinetic theory of gases question 1