A cavity is to be designed to serve as a blackbody source

Last updated: 6/9/2023

A cavity is to be designed to serve as a blackbody source The proposed shape is that of a truncated conical hole with an opening of 25 mm and diameter at the bottom of 6 mm If the surface emissivity of the cavity is 0 9 estimate the cavity depth necessary to produce an apparent emissivity of 0 98