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  • Emissivity of a perfectly reflecting body is Option: 1 zeroOption: 2 1<d

Emissivity of a perfectly reflecting body is 

Option: 1

zero


Option: 2

1


Option: 3

\infty


Option: 4

None of these


Answers (1)

best_answer

As we have learnt,

 

Emissitivity(E) -

\varepsilon=\frac{e}{E}

- wherein

\varepsilon=1 - for perfectly black body

\varepsilon=0 - for polished body

(0<\varepsilon<1) - for practical bodies

 

 

 

Posted by

Riya

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