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83.If the radius of a star is R and it acts as a black body,what would be the temperature of star ,in which the rate of energy production is Q? (sigma stands for a Stefan's constant.) |
| Answer» 83.If the radius of a star is R and it acts as a black body,what would be the temperature of star ,in which the rate of energy production is Q? (sigma stands for a Stefan's constant.) | |