Heat TransferHard
Question
A perfectly black body is one where :
Options
A.absorptive power in infinity
B.absorption power is 0
C.reflective power is 1
D.abosrptive power is 1
More Heat Transfer Questions
The temperature of a perfect black body is 727oC and its area is 0.1 m2. If stefan′s constant is 5.67 × 10-8 ...In a solid metal sphere there is a spherical cavity if solid is heated then volume of cavity...The coefficient of thermal conductivity of copper is nine times that of steel. In the composite cylindrical bar shown in...Infra red radiation is detected by...The temperature drop through layer furnace wall is 900oc. Each layer is of equal area of cross - section. Which of the f...