CET Karnataka Medical CET - Karnataka Medical Solved Paper-2012

  • question_answer
    One mole of an ideal gas is taken from A to B from B to C and then back to A. The variation of its volume with temperature for that change is as shown. Its pressure at A is \[{{P}_{0}}\], volume is \[{{V}_{0}}\]. Then, the internal energy       

    A)  at A is more than at B     

    B)  at C is less than at B       

    C)  at B is more than at A         

    D)  at A and B are equal      

    Correct Answer: D

    Solution :

    : The internal energy  of an ideal gas is only dependent upon its temperature.                 From the graph, The ideal gas at same temperature at A and B. \[\therefore \]The internal at energy A and B are equal. or \[{{U}_{A}}={{U}_{B}}\]


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