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| Q. |
A burning wood in the fireplace has a surface temperature of 450°C. Assume the emissivity to be 1 and find the radiant emission of energy per unit area. |
| A. | 15.5 kw/m2 |
| B. | 16.5 kw/m2 |
| C. | 17.5 kw/m2 |
| D. | 18.5 kw/m2 |
| Answer» A. 15.5 kw/m2 | |
| Explanation: q /a = 1 × σ t^4 | |
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