What is emissivity (ε)? - Heat Transfer

Q.  The emissivity (ε) can be defined as the ratio of
- Published on 11 Aug 15

a. emissive power of real body to the emissive power of black body
b. emissive power of black body to the emissive power of real body
c. reflectivity of real body to emissive power of black body
d. reflectivity of black body to emissive power of real body

ANSWER: emissive power of real body to the emissive power of black body
 

    Discussion

  • dasmat baskey   -Posted on 07 Aug 16
    nice to study

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