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Discussion :: Heat and Mass Transfer

  1. According to Stefan's law, the total radiation from a black body per second per unit area is proportional to

    2. A.

     Absolute temperature
    B.

     T2
    C.

     T5
    D.

     T

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    Answer : Option D

    Explanation :

    The Stefan–Boltzmann law describes the power radiated from a black body in terms of its temperature.
    Specifically, the Stefan–Boltzmann law states that the total energy radiated per unit surface area of a black body across all wavelengths per unit time is directly proportional to the fourth power of the black body's temperature.

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