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Physics, 05.04.2021 14:00 gracieorman4

Four solid spheres made of the same metal are heated to the same temperature. Which sphere initially loses thermal energy by radiation at the greatest rate?
A diameter of 10 cm with a dull surface
B diameter of 10 cm with a shiny surface
C diameter of 5 cm with a dull surface
D diameter of 5 cm with a shiny surface

Hi guys pls the answer with EXPLANATION.

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