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JEE Main & Advanced Sample Paper JEE Main Sample Paper-39

  • question_answer
    If \[E=a{{t}^{4}}+b{{t}^{2}},\]what is the temperature of inversion

    A)  \[-\frac{a}{2b}\]                               

    B)  \[+\frac{a}{2b}\]

    C)  \[-\frac{a}{b}\]                     

    D)  \[+\frac{a}{b}\]

    Correct Answer: C

    Solution :

     Temperature of inversion is when E=0 \[\therefore \]\[at+b{{t}^{2}}=0;t(a+bt)=0\] \[\therefore \] Either t = 0(this is When \[{{T}_{H}}={{T}_{C}}\]) \[\therefore \] or t = -a / b(this will be When \[{{T}_{H}}={{T}_{1}}\])


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