Black Body Radiation

Fill in the blank:

Consider a black body radiation in a cubical box at absolute temperature T T . If the length of each side of a box is doubled and the temperature of the walls of the box and that of the radiation is halved, then the total energy _______________ \text{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_} .

is reduced by two-fold is reduced by four-fold remains the same is increased by two-fold

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1 solution

Mahesh Kale
Aug 6, 2017

E=(SIGMA)eAT^4

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