engineering physics MCQ #2801

The work done in an adiabatic expansion is 100 J. The change in internal energy is

engineering physics MCQ #2801

  1. Question 1

    Q1. The work done in an adiabatic expansion is 100 J. The change in internal energy is

    • A) -100 J
    • B) 100 J
    • C) 0 J
    • D) 50 J

    Answer: -100 J

    Explanation: In an adiabatic process, Q = 0, so ΔU = -W = -100 J.