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Discussion :: Heat and Mass Transfer

  1. The total radiation from a black body per second per unit area is ________ fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law.

    2. A.

     Equal to
    B.

     Directly proportional to
    C.

     Inversely proportional to
    D.

     None of these

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    Answer : Option B

    Explanation :

    The total radiation from a black body per second per unit area is Directly proportional to fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law.

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