2. If the surface temperature of the sun is 5800 K, and the peak wavelength of its emission is 500 nm, what is the peak thermal radiation wavelength of the earth?
(A) 300 nm
(B) 3,000 nm
(C) 10,000 nm
(D) 30,000 nm
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統計: 尚無統計資料
統計: 尚無統計資料