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NEET Sample Paper NEET Sample Test Paper-37

  • question_answer
    Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be

    A)  380 J        

    B)  500 J

    C)  460 J        

    D)  300 J

    Correct Answer: C

    Solution :

     In cyclic process \[{{Q}_{cyclic}}={{W}_{cyclic}}\] \[{{Q}_{AB}}+{{A}_{BC}}+{{Q}_{CA}}=\text{area}\,\text{enclosed}\] \[400+100+{{Q}_{CA}}=\frac{1}{2}\times \left( 4\times {{10}^{4}}\times 2\times {{10}^{-3}} \right)\] \[{{Q}_{AC}}=500-40\,J\,=460\,J\]


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