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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    The temperature of a body on Kelvin scale is found to be x K. When it is measured by Fahrenheit thermometer, it is found to be\[x{}^\circ F\], then the value of x is

    A)  30                                         

    B)  313

    C)  574.25                 

    D)         301.25

    Correct Answer: C

    Solution :

                    \[\frac{F-32}{9}=\frac{K-273}{5}\] But given,\[{{x}^{o}}F=xK\] \[\therefore \]  \[\frac{x-32}{9}=\frac{x-273}{5}\]                 \[5x-160=9x-2457\]                 \[4x=2297\]                 \[x=574.25\]


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