MCQOPTIONS
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| 1. |
Two spheres of same material have radius 1m and 4 m and temperature 4000K and 2000K respectively. The energy radiated per second by the first sphere is |
| A. | Greater than that by the second |
| B. | Less than that by the second |
| C. | Equal in both cases |
| D. | The information is incomplete |
| Answer» D. The information is incomplete | |