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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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