1.

The solar constant at a place is 1.4 kW/m2. The solar energy received by an area of 4 m2 per second at this place is (1) 6.5 kJ (2) 6.5 J (3) 5.6 J (4) 5.6 kJ

Answer»

Correct answer is (4) 5.6 kJ 



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