Physics, asked by nobita3253, 10 months ago

At a certain temperature for given wave length , the ratio of emissive power of a body to emissive power of black body in same circumstances is known as (a) relative emissivity (b) emissivity (c) absorption coefficient (d) coefficient of reflection

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Answered by anita8059999143

Answer:

option b and c are the correct answers

Answered by tanujyadav28

Answer:

By Kirchhoff's law at a certain temperature for given wave length , the ratio of emissive power of a body to emissive power of black body in same circumstances is known as coefficient of absorption of the body. And it is also equal to emissivity of the body

option (B)&(C) are the correct answers

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