What is emissivity (ε)? - Heat Transfer
Q. The emissivity (ε) can be defined as the ratio of- Published on 11 Aug 15a. 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