Physics

Problem

Three identical plates are maintained at

300\,\text{K}

400\,\text{K}

and

600\,\text{K}

, respectively. Rank the plates in ascending order of the power they radiate per unit area. a)

600\,\text{K} < 400\,\text{K} < 300\,\text{K}

400\,\text{K} < 300\,\text{K} < 600\,\text{K}

300\,\text{K} < 400\,\text{K} < 600\,\text{K}

300\,\text{K} < 600\,\text{K} < 400\,\text{K}