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MGIMS WARDHA MGIMS WARDHA Solved Paper-2004

  • question_answer
    If 300 ml of a gas at 27° C is cooled to 7° C at constant pressure, then its final volume will be :

    A) 540 ml                                  

    B) 350 ml

    C) 280 ml                                  

    D) 135 ml

    Correct Answer: C

    Solution :

    According to Charle's law at constant pressure \[\frac{{{V}_{1}}}{{{T}_{1}}}=\frac{{{V}_{2}}}{{{T}_{2}}}\] Or           \[{{V}_{2}}=\frac{{{V}_{1}}\times {{T}_{2}}}{{{T}_{1}}}\] Or           \[{{V}_{2}}=\frac{300\times 280}{300}\] \[=280\text{ }ml\]


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