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NEET Physics Kinetic Theory of Gases NEET PYQ-Kinetic Theory Of Gases

  • question_answer
    If \[{{C}_{p}}\] and \[{{C}_{v}}\]  denote the specific heats (per unit mass) of an ideal gas of molecular weight M where R is the molar gas constant.                                                                                        [AIPMT (M) 2010]

    A)  \[{{C}_{p}}-{{C}_{v}}=\frac{R}{{{M}^{2}}}\]        

    B)  \[{{C}_{p}}-{{C}_{v}}=R\]

    C)  \[{{C}_{p}}-{{C}_{v}}=\frac{R}{M}\]

    D)       \[{{C}_{p}}-{{C}_{v}}=MR\]

    Correct Answer: C

    Solution :

    \[{{C}_{p}}-{{C}_{v}}=R\]
    \[\therefore \]      \[M{{c}_{p}}-M{{C}_{v}}=R\]
    \[{{C}_{p}}-{{C}_{v}}=\frac{R}{M}\]


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