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NEET Sample Paper NEET Sample Test Paper-7

  • question_answer
    P-V diagram of a diatomic gas is a straight line passing through origin. The molar heat capacity of the gas in the process will be:

    A)  \[4R\]                         

    B)  \[2.5R\]

    C)  \[3R\]                         

    D)  \[4R/3\]

    Correct Answer: C

    Solution :

    As curve is straight line \[\Rightarrow \]               \[P\propto V\]                 \[{{P}^{V-1}}=C\]                 \[P{{V}^{X}}=C\] \[C=\frac{R}{r-1}+\frac{R}{r-X}=\frac{R}{1.4-1}+\frac{R}{1+1}=3R\] As, (r for diatomic gases is \[\frac{5}{7}\])


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