Question

The approximate value of solar constant

Answer 1

The approximate average value cited, 1.3608 ± 0.0005 kW/m², which is 81.65 kJ/m² per minute, is equivalent to approximately 1.951 calories per minute per square centimeter, or 1.951 langleys per minute..... So answer is option a.

I explained a bit of higher level...

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