A gas is compressed by 300 J of work and gives out 300 J of heat. Its internal energy:

  1. does not change
  2. falls by 300 J
  3. rises by 600 J
  4. rises by 300 J
Answer

A) does not change

Delta U = Q - W = -300 - (-300) = 0. SLO P-11-C-11 · Application

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