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ifos • paper_1 • electrodynamicsifos-2019-subject-03-007

Blackbody radiation — UPSC IFoS 2019 Physics PYQ

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If we consider the Earth as a black body in thermal equilibrium, estimate the global temperature of our planet in terms of the temperature of the Sun, \text{T}_{\text{sun}}, its radius, \text{R}_{\text{sun}}, and distance D between the Earth and the Sun.

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