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Question

How much solar energy will be received by 1m2 area in one hour if the solar constant is 1.4kW/m2?

A
50.4J
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B
504J
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C
5040kJ
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D
5040J
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Solution

The correct option is C 5040kJ
Solar constant is 1.4 KW/m2. Hence, 1.4 KW/m2 is incident upon the area of 1 m2.
Total energy incident in 1 hour on an area of 1 m2 will be 1.4 kW x 1 hr
Hence, energy is 1.4 kWH
1.4 kWH = 5040 kJ.

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