raltaf92861 raltaf92861
  • 24-01-2020
  • Physics
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Solar energy strikes earth’s atmosphere at 343 W m-2 . About 30% is reflected and the rest is absorbed

Respuesta :

Manetho
Manetho Manetho
  • 24-01-2020

Answer:

The black body temperature of Earth T_e= 180.4 K

Explanation:

Assuming we have to find Black body temperature of the earth.

[tex]T_e =(\frac{s_o(1-\alpha)}{4\sigma})^{0.25}[/tex]

S0= solar energy striking the earth= 343 Wm^{-2}

\alpaha = 30% = 0.3

\sigma = stephan boltsman constant.= 5.67×10^{-8} Wm^{-2}K^4

[tex]T_e =(\frac{343(1-0.3)}{4\times5.67×10^{-8}})^{0.25}[/tex]

T_e= 180.4 K

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