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JIPMER Jipmer Medical Solved Paper-1999

  • question_answer
    The ratio of \[rms\] speed of hydrogen molecules to that of oxygen molecules at a given temperature will be:

    A)  1 : 16                                    

    B)  1 : 4                      

    C)  4 : 1                      

    D)         16 : 1

    Correct Answer: C

    Solution :

    From the law, the rms speed is inversely proportional to square root of molecular mass. It means \[c\propto \frac{1}{\sqrt{M}}\] hence   \[\frac{{{c}_{hydrogen}}}{{{c}_{oxygen}}}=\sqrt{\frac{1}{2}\times \frac{32}{1}}=\frac{4}{1}\]


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