MCQOPTIONS
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MCQOPTIONS
| 1. |
The radiant energy from the sun incident normally at the surface of earth is \[20\ kcal/{{m}^{2}}min\]What would have been the radiant energy incident normally on the earth, if the sun had a temperature twice of the present one |
| A. | \[160\ kcal/{{m}^{2}}\ min\] |
| B. | \[40\ kcal/{{m}^{2}}\ min\] |
| C. | \[320\ kcal/{{m}^{2}}\ min\] |
| D. | \[80\ kcal/{{m}^{2}}\ min\] |
| Answer» D. \[80\ kcal/{{m}^{2}}\ min\] | |