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In what form are the radiations coming from sun?

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in Energy Engineering by (91.0k points)
In what form are the radiations coming from sun?

(a) Long waves

(b) Short waves

(c) Transient waves

(d) Longitudinal waves

I got this question by my school teacher while I was bunking the class.

The doubt is from Environmental Aspects of Power Generation topic in division Steam Generators & Accessories of Energy Engineering

1 Answer

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Correct answer is (b) Short waves

Explanation: The atmosphere, analogous to the glass panes of green house, transmits the radiation from the sun. The surface of sun is about 6000k and most of the radiation is in the form of short waves and visible portions of the spectrum, and only a portion of the radiation is absorbed or scattered back to the space by atmosphere.

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