Uttarakhand PMT Uttarakhand PMT Solved Paper-2004

  • question_answer
    To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in:

    A)  \[{{m}^{3}}\] only    

    B)  \[d{{m}^{3}}\] only

    C)  \[c{{m}^{3}}\]only    

    D)  any of these

    Correct Answer: D

    Solution :

     As we know that, Work done\[(W)=2.303nRT\log \frac{{{V}_{2}}}{{{V}_{1}}}\]. Hence, \[{{V}_{1}}\]and\[{{V}_{2}}\]are in ratio in the relation. So, unit may be expressed in any one of\[{{m}^{3}},\] \[d{{m}^{3}}\]or\[c{{m}^{3}}\].


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