Sep '13
20
MCAT Question of the Day | MCAT Course


  • Q:

    The Stefan-Boltzmann law states that the power emitted per unit surface area of a black body can be written as j = kT4 where k is a constant and T is the absolute temperature in K. If a black body has its temperature increased from 25 °C to 330 °C, how much more power does it emit per unit surface area?

     

    A

    16 times more

    B

    305 times more

    C

    13 times more

    D

    134 times more




    Tags: Energy & Work | Quantitative Skills | Suggest a tag
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