Question

What is Solar constant? and what is it's approximate value?

Answer 1

Solar Constant -- The total radiation or energy received from the Sun per unit of time per unit of area on a theoretical surface perpendicular to Sun's rays and at Earth's mean distance from sun .


Approximate value is 1.4 kw/m^2.

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Answer 2

solar constant
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solar constant :- the rate at which energy reaches the earth's surface from the sun is called the solar constant.


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it's approximately value is 81.65 kJ/m² per minute..