J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    What are the units of entropy?

    A) \[\text{cal K}\]         

    B) \[\text{Cal}\,{{\text{K}}^{-1}}\]

    C) \[\text{cm}\,{{\text{K}}^{-1}}\]       

    D) \[\text{ }\!\!~\!\!\text{ cmK}\]

    Correct Answer: B

    Solution :

     The property of a system which measures the degree of disorder or randomness in the system is known as entropy. \[\Delta S=\frac{{{q}_{rev}}}{T}\] The unit of entropy is \[J{{K}^{-1}}\]or \[Cal\,{{K}^{-1}}.\]


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