coefficient of reflection

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Noun1.coefficient of reflection - the fraction of radiant energy that is reflected from a surface
coefficient - a constant number that serves as a measure of some property or characteristic
References in periodicals archive ?
The first of these two relations, which states that the coefficient of reflection of the bounding surface is the same on both sides, is a special case of a general rule of reciprocity first stated by Helmholtz.
The most general expression of Kirchhoff's law for opaque objects is, in fact, a statement of Stewart's law [6], namely, [epsilon] = 1 - [rho], where [rho] corresponds to the coefficient of reflection.
He then analyzes the radiation emitted by these elements, but ignores the coefficient of reflection, [[rho].

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