If the Surface Temperature of the Earth Is 290 K

question 51

Multiple Choice

If the surface temperature of the Earth is 290 K and that of the Sun is 6 000 K,assuming the same emissivities,what is the ratio of the energy radiated per square meter of the Earth to that of the Sun?

• A)0.48
• B)2.3 × 10^-3
• C)6.4 × 10^-5
• D)5.5 × 10^-6

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