MCQOPTIONS
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| 1. |
How is the temperature of stars determined by [BHU 1999, 02; DCE 2000, 03] |
| A. | Stefan?s law |
| B. | Wein?s displacement law |
| C. | Kirchhoff?s law |
| D. | Ohm?s law |
| Answer» C. Kirchhoff?s law | |