MCQOPTIONS
Saved Bookmarks
| 1. |
Kirchhoff's law states that |
| A. | the total radiation from a black body per second per unit area is directly proportional to the fourth power of the absolute temperature |
| B. | the wave length corresponding to the maximum energy is proportional to the absolute temperature |
| C. | the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body |
| D. | none of the above |
| Answer» D. none of the above | |