NEET Sample Paper NEET Sample Test Paper-34

  • question_answer
    Calculate the work done of \[22gm\,\,C{{O}_{2}}\]gas that expands reversibly and adiabaticaly at 500ml and 300 K to 4 lit (if\[y=4/3\])

    A)  \[-350\text{ }cal.\]

    B)  \[-450\text{ }cal~\]

    C)  \[+350\text{ }cal.\]          

    D)  \[+450\text{ }cal\]              

    Correct Answer: B

    Solution :

    \[T{{V}^{r-1}}=\] constant Word done \[=\frac{nR}{r-1}\,\,({{T}_{2}}-{{T}_{1}})\]

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