What is a gray body?

A. a body of which the monochromatic emissivity (ε) is different wavelengths
B. a body of which the monochromatic emissivity (ε) is constant for the entire wavelength spectrum
C. a body of which the monochromatic emissivity (ε) is maximum for longest wavelength
D. none of the above

Right Answer: B. a body of which the monochromatic emissivity (ε) is constant for the entire wavelength spectrum

January 24, 2018   Hassan Ali    Mechanical Engineering  
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