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Question
How much solar energy will be received by 1 m2 area in one hour if the solar constant be 1.4 kW/m2?
Solution
Solar constant = 1.4 kW/m2 = 1.4 kJ/s/m2
1 hour in seconds = `60 xx 60` = 3600
Energy received in one hour =
3600 x 1.4Kj/m2 = 5040Kj/m2
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