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1. |
A furnace emits radiation at 2000 K. Treating it as a black body radiation, calculate the monochromatic radiant flux density at 1 micron m wavelength |
A. | 5.81 * 10 7 W/m2 |
B. | 4.81 * 10 7 W/m2 |
C. | 3.81 * 10 7 W/m2 |
D. | 2.81 * 10 7 W/m2 |
Answer» E. | |