AMU Medical AMU Solved Paper-2003

  • question_answer
    The quantity of heat required to heat 1 mole of a monoatomic gas through 1 K at constant pressure is

    A)  3.5 R                                    

    B)  2.5 R

    C)  1.5R                                     

    D)  None of these

    Correct Answer: B

    Solution :

                     The quantity of heat required is                 \[Q=n\,\,{{c}_{p}}\,\Delta t\] Given,   \[\Delta t=1\,K\],             n = 1 For monoatomic gas \[{{c}_{p}}=\frac{5}{2}\,R\] \[\therefore \]                                  \[Q=\frac{5}{2}R\] \[\Rightarrow \]                                               \[Q=2.5\,\,R\]


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