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14/12/2020 10:34 am
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How much solar energy will be received by 1m2 area in one hour, if the solar constant were 1.4 kilowatts per square metre?
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14/12/2020 10:35 am
One hour = 60 × 60 = 3600 s
Solar constant = 1.4 kW/m2 = 1.4 kJ/s/m2
i.e., in 1s, 1m2 area receives energy = 1.4 kJ
So, in 1 hour, i.e., in 3600 s, 1 m2 area receive energy = 1.4 × 3600 kJ = 5040 kJ.