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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Parallel rays of light of intensity are incident on a spherical black body kept in surroundings of temperature 300 K. Take Stefan-Boltzmann constant and assume that the energy exchange with the surroundings is only through radiation. The final steady state temperature of the black body is close to

Answer: (A)

Solution

In steady state , so $ = + 912/(4×5.7× =

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Question ID VK-063557