MCQOPTIONS
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| 1. |
A spherical black body with a radius of \[12\ cm\] radiates \[440\ W\] power at \[500\ K\]. If the radius were halved and the temperature doubled, the power radiated in watt would be [IIT 1997 Re-Exam] |
| A. | 225 |
| B. | 450 |
| C. | 900 |
| D. | 1800 |
| Answer» E. | |