Emissive powers of gray body black body - Heat Transfer

Q.  The emissive power of gray body is
- Published on 11 Aug 15

a. less than the emissive power of the black body
b. greater than the emissive power of the black body
c. equal to the emissive power of the black body
d. cannot say

ANSWER: less than the emissive power of the black body

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