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  3. BHU PMT

BHU PMT BHU PMT (Screening) Solved Paper-2010

  • question_answer
    The sun delivers                                                                                                  \[104\text{ }W/{{m}^{2}}\] of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions                                                                                           \[(10\times 10)\text{ }{{m}^{2}}\] will be

    A)  104 W                                  

    B)  105 W

    C)  106 W                                  

    D)  107 W

    Correct Answer: C

    Solution :

                                                                                          \[Total\text{ }power=solar\text{ }constant\times area\]                                                                             \[={{10}^{4}}\times (10\times 10)={{10}^{6}}W\]


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