MCQOPTIONS
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| 1. |
A wave of radiation falls on a body, 35% of the radiation is reflected back. If transmissivity of the body is 0.25, then emissivity is: |
| A. | 0.35 |
| B. | 0.45 |
| C. | 0.40 |
| D. | 0.25 |
| Answer» D. 0.25 | |