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Get Answers to all your Questions
For a perfectly black body emissivity is
Option: 1
zero
Option: 2
1
Option: 3
Option: 4
None of these
Answers (1)
As we have learnt,
Emissitivity(E) -
Emissivity of a body at a given temperature is defined as the ratio of the total emissive power of the body (e) to the total emissive power of perfectly black body.
-
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