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NEET Sample Paper NEET Sample Test Paper-46

  • question_answer
    An ideal mono-atomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is -

    A) \[\frac{5}{2\,In\,2}\]

    B)                    \[\frac{5}{3}\]   

    C)                    \[\frac{5}{4\,In\,2}\]

    D)                    \[\frac{5}{6}\]

    Correct Answer: C

    Solution :

    \[{{Q}_{AB}}\,\,=\,\,n{{C}_{P}}\Delta T\,\,=\,\,n\frac{5}{2}\,\,R\left( 2{{T}_{0}}-{{T}_{0}} \right)\] \[{{Q}_{BC}}={{W}_{BC}}=NR.2{{T}_{0}}\,ln\,\,2\] \[\Rightarrow \,\,\,\frac{{{Q}_{AB}}}{{{W}_{BC}}}\,\,=\,\,\frac{5}{4\,\,In\,\,2}\]


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