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23-02-2021
Physics

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What is the physical meaning of emissivity write its unit

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dhillon13 dhillon13

23-02-2021

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Аноним Аноним

23-02-2021

Answer: a measure of the ability of a surface to radiate energy; the ratio of the radiant flux emitted per unit area to that emitted by a black body at the same temperature.

Explanation: hope that helped! (:

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