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AIIMS AIIMS Solved Paper-2009

  • question_answer
    By what percentage should the pressure of I given mass of a gas be increased, so as to decrease its volume by 10% at a consult temperature?                        

    A) 5%            

    B)                       7.2%                     

    C)                       12.5%                   

    D)       11.1%       

    Correct Answer: D

    Solution :

    When T is constant, \[pV=\] constant. When volume is decreased by 10% that is volume becomes \[\frac{90}{100},\], the pressure must become 100/99. \[\therefore \]  % increase in pressure \[=\frac{(100-90)\times 100}{90}\] \[=11.1%\]


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