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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Self Evaluation Test - Nuclei

  • question_answer
    A reactor converts 100% of given mass into energy and that it operates at a power of \[9\times {{10}^{7}}\] watt. The mass of the fuel consumed in 30 min in the reactor will be:

    A)          \[12\times {{10}^{-3}}kg\]      

    B)       \[25\times {{10}^{-8}}kg\]

    C)  \[18\times {{10}^{-7}}kg\]  

    D)         \[11\times {{10}^{-4}}kg\]

    Correct Answer: C

    Solution :

    [c] the reactor will conume \[\frac{9\times {{10}^{7}}}{9\times {{10}^{16}}}\times 1800kg\] \[=18\times {{10}^{-7}}kg\]   


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