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VMMC VMMC Medical Solved Paper-2002

  • question_answer
    An ideal gas is heated \[\text{27}{{\,}^{\text{o}}}\text{C}\]to \[\text{627}{{\,}^{o}}\text{C}\]at constant pressure. If initial volume was \[\text{4}\,{{\text{m}}^{\text{2}}}\text{,}\] then the final volume of the gas will be:

    A)  \[\text{2}\,{{\text{m}}^{3}}\]                                   

    B)  \[8\,{{\text{m}}^{3}}\]

    C)         \[12\,{{m}^{3}}\]            

    D)         \[\text{10}\,{{\text{m}}^{\text{3}}}\]

    Correct Answer: C

    Solution :

    According to Charles law, \[\frac{{{V}_{1}}}{{{T}_{1}}}=\frac{{{V}_{2}}}{{{T}_{2}}}\](at constant pressure) \[\frac{4}{300}=\frac{{{V}_{2}}}{900}\] or \[{{V}_{2}}=\frac{4\times 900}{300}=12\,{{\text{m}}^{\text{3}}}\]


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