1.Emissive and absorptive power of a material at 2000 K2000\,\text{K}2000K is 888 and 101010 respectively, calculate the emissivity of IBB (Ideal black body)a.0.20.20.2b.0.40.40.4c.0.60.60.6d.0.80.80.8Login to continueOnly logged in users canattempt or see the solution.
