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JEE Main & Advanced Physics Thermodynamical Processes JEE PYQ-Thermodynamical Processes

  • question_answer
    A Carnot engine takes \[3\times {{10}^{6}}\] cal of heat from a reservoir at \[{{627}^{o}}C\] and gives it to a sink at \[{{27}^{o}}C\]. The work done by the engine is                                                              [AIEEE 2003]

    A)  \[42\times {{10}^{6}}\]J       

    B)       \[8.4\times {{10}^{6}}\]J

    C)  \[16.8\times {{10}^{6}}\]      

    D)       Zero

    Correct Answer: B

    Solution :

    [b] Given,         
     cal
        
       
                             cal
                Now, work done
               
               


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