The daily input of sunlight per square meter | vedclass

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(B) The solar constant is the amount of incoming solar electromagnetic radiation per unit area, measured on the outer surface of Earth's atmosphere. I

Vedclass · Accepted Answer

$400 \, 	ext{gm cal}$

Vedclass · Answer

(B) The solar constant is the amount of incoming solar electromagnetic radiation per unit area, measured on the outer surface of Earth's atmosphere. It is approximately $1.36 \, 	ext{kW/m}^2$. When considering the daily input of solar energy reaching the Earth's surface per square meter, it is estimated to be around $400 \, 	ext{gm cal/cm}^2/	ext{day}$ or equivalent units depending on the specific ecological context provided in standard biological texts. Therefore, the correct value is $400 \, 	ext{gm cal}$.

The daily input of sunlight per square meter per day on the Earth is approximately:

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