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| Q. |
What is the relation between the Energies as shown in the figure? |
| A. | er = 0 |
| B. | ea = 0 |
| C. | et = ei |
| D. | ei = er |
| Answer» A. er = 0 | |
| Explanation: as a black body is a perfect absorber, the reflected energy and the transmitted energy should be zero. also, the energy of the incident radiation should be equal to the energy absorbed. | |
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