astrotales8875 astrotales8875

05-03-2024
Physics

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What is an emissivity spectrum?
a) A graphical representation of the emission of light by a material at different wavelengths.
b) A measure of the efficiency with which a surface emits thermal radiation.
c) A chart showing the variation of emissivity with temperature.
d) A spectrum of colors emitted by a material when heated.

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