MCQOPTIONS
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| 1. |
The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of \'n\' is exactly 4 for |
| A. | all bodies |
| B. | black painted bodies only |
| C. | a black body |
| D. | polished bodies only |
| Answer» B. black painted bodies only | |