The earth intercepts approximately one billionth of the power radiated – McqOptions

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1.	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
Answer» E.

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