When the temperature of a gas rises, its internal energy:

  1. increases, because the molecules move faster
  2. stays the same
  3. decreases
  4. becomes zero
Answer

A) increases, because the molecules move faster

Mean KE ∝ T. SLO P-11-C-02 · Understanding

Physics MCQ · More Kinetic Theory and First Law of Thermodynamics MCQs · Practise