1.

The sun radiates energy in all directions. The average radiations received on the earth surface from the sun is \[1.4\ kilowatt/{{m}^{2}}\].The average earth- sun distance is \[1.5\times {{10}^{11}}metres\]. The mass lost by the sun per day is (1 day = 86400 seconds)                               [MP PMT 1993, 2003]

A.            \[4.4\times {{10}^{9}}kg\]      
B.            \[7.6\times {{10}^{14}}kg\]
C.            \[3.8\times {{10}^{12}}kg\]   
D.            \[3.8\times {{10}^{14}}kg\]
Answer» E.


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