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Discussion :: Heat and Mass Transfer

  1. According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to

    2. A.

     Absolute temperature
    B.

     Square of temperature
    C.

     Fourth power of absolute temperature
    D.

     Fourth power of temperature

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    Answer : Option C

    Explanation :

    Stefan-Boltzmann law is applicable for radiation it states that the total radiant heat power emitted from a surface is proportional to the fourth power of its absolute temperature. The law applies only to blackbodies, theoretical surfaces that absorb all incident heat radiation.

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