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Question

What is the value of solar constant if the energy received by $$ 12$$ m$$^2$$ area in $$2$$ minutes is $$2016$$ kJ?


A
1.4×102Js1m2
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B
1400Js1m2
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C
84kJs1m2
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D
84Js1m2
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Solution

The correct option is B $$1400 J s^{-1}m^{-2}$$
Solar constant = Energy received by unit area in unit time from Sun
$$=\cfrac{2016\times 10^3}{12\times (2\times 60)} \\=1400Js^{-1}m^2$$

Physics

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