Q. According to Kirchoff’s law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a (Solved)
1. grey body
2. brilliant white polished body
3. red hot body
4. black body
5. none of the abov
- d. black body
1. grey body
2. brilliant white polished body
3. red hot body
4. black body
5. none of the abov