2. Solved Papers
  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2013

  • question_answer
    If 110 J of heat are added to a gaseous system, whose internal energy is 40 J, then the amount of external work done is

    A)  40 J              

    B)  70 J

    C)  110 J             

    D)  150 J

    Correct Answer: B

    Solution :

    We have, \[\Delta Q=\Delta U+\Delta W\] Here, \[\Delta Q=110\,\,J,\,\,\Delta U=40\,\,J\] \[\therefore \] \[\Delta W=70\,J\]


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