NEET Sample Paper NEET Sample Test Paper-87

  • question_answer
    A balloon contains \[1500\,\,{{m}^{3}}\] of helium at \[27{}^\circ C\] and 4 atmospheric pressure. The volume of helium at \[-3{}^\circ C\] temperature and 2 atmospheric pressure will be,

    A) \[1500\,\,{{m}^{3}}\]  

    B)        \[1700\,\,{{m}^{3}}\]

    C) \[1900\,\,{{m}^{3}}\]  

    D)        \[2700\,\,{{m}^{3}}\]

    Correct Answer: D

    Solution :

    [d] \[\frac{{{P}_{1}}{{V}_{1}}}{{{T}_{1}}}=\frac{{{P}_{2}}{{V}_{2}}}{{{T}_{2}}}\] \[\therefore \]\[{{V}_{2}}=\frac{{{P}_{1}}{{V}_{1}}}{{{T}_{1}}}\times \frac{{{T}_{2}}}{{{P}_{2}}}=\frac{4\times 1500\times 270}{300\times 2}=2700\,{{m}^{3}}\]


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