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The earth intercepts approximately one billionth of the power radiated by the sun. if the surface temperature of the sun were to drop by a factor of 2, the average radiant energy incident on earth per second would reduce by factor of (a) 2 (b) 4 (c) 8 (d) 16

The earth intercepts approximately one billionth of the power radiated by the sun. if the surface temperature of the sun were to drop by a factor of 2, the average radiant energy incident on earth per second would reduce by factor of
(a) 2
(b) 4
(c) 8
(d) 16

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

The answer is option d.............P @ T^4;

Regards
Vikas TU
14149 Points
3 years ago
The rate at which radiant energy from the sun reaches the earth's upper atmosphere is about 1.50 kW/m2.

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