MCQOPTIONS
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| 1. |
The electromagnetic energy emitted by a perfect radiator corresponding to a temperature T and surface area A is? |
| A. | A T<sup>4</sup> t, in unit time t |
| B. | Ae T<sup>4</sup> t, in unit time t |
| C. | Ae4 c) Ae T<sup>4</sup> |
| D. | A T<sup>4</sup> |
| Answer» B. Ae T<sup>4</sup> t, in unit time t | |