Define coefficient of emissions of a body .what is the value of coefficient of emissions of perfectly black body
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Coefficient of emission of a body is the ratio of the emissive power of the body at a given temperature to the emissive power of a perfectly black body at the same temperature.
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Coefficient of emission of a body is the ratio of the emissive power of the body at a given temperature to the emissive power of a perfectly black body at the same temperature
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