Syed shoaib Asked a Question
April 12, 2021 12:44 pmpts 30 pts
An ideal blackbody at temperature 𝑇, emits radiation of energy density 𝑢. The corresponding value for a material at temperature 𝑇 2 is 𝑢 256 . Its emissivity is
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  • Ruby negi thankyou
    total flux= Stephan constant* effective emissivity *temperature^4... using this formula ,you can find emissivity
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