Physics

Problem

Calculate the total power radiated by a square blackbody plate of area 100 cm² whose radiation has a maximum at wavelength 500 nm. Take Wien’s constant

b = 2.898 \times 10^{-3}\,\text{m K}

and Stefan’s constant

\sigma = 5.67 \times 10^{-8}\,\text{W m}^{-2}\text{K}^{-4}

. a)

6.4 \times 10^{7}\,\text{W}

6.4 \times 10^{3}\,\text{W}

6.4 \times 10^{5}\,\text{W}

6.4 \times 10^{4}\,\text{W}

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