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Absorption and Emission :: Discussion
| 8. | A perfectly black body is one whose? | |
| A. | Absorptive power is 1 | |
| B. | Absorptive power is 0 | |
| C. | Emissive power is 1 | |
| D. | Absorptive power is 0.5 | |
| Answer: Option A | |
| Explanation: | |
|
A black body is one which absorbs the entire radiation incident upon it. Its absorptive power is unity. |
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