A diffuse surface at 1600 K has the spectral, hemispherical emissivity shown as follows. 1. Determine the total hemispherical emissivity and the total emissive power. 2. At what wavelength will the spectral emissive power be a maximum?

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Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.