MCQOPTIONS
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| 1. |
An electric heater, assumed to be a black body has a temperature of \[727{}^\circ C\]. If its temperature is raised to \[1727{}^\circ C,\] the amount of energy radiated per unit time now as compared with that in the first case will be |
| A. | twice |
| B. | 4 times |
| C. | 16 times |
| D. | 100 times |
| Answer» D. 100 times | |